fix(deps): update module github.com/prometheus/client_golang to v1.15.0 (#608)

[![Mend
Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[github.com/prometheus/client_golang](https://togithub.com/prometheus/client_golang)
| require | minor | `v1.14.0` -> `v1.15.0` |

---

### Release Notes

<details>
<summary>prometheus/client_golang</summary>

###
[`v1.15.0`](https://togithub.com/prometheus/client_golang/releases/tag/v1.15.0)

[Compare
Source](https://togithub.com/prometheus/client_golang/compare/v1.14.0...v1.15.0)

#### Changed

\[BUGFIX] Fix issue with atomic variables on ppc64le
[#&#8203;1171](https://togithub.com/prometheus/client_golang/issues/1171)
\[BUGFIX] Support for multiple samples within same metric
[#&#8203;1181](https://togithub.com/prometheus/client_golang/issues/1181)
\[BUGFIX] Bump golang.org/x/text to v0.3.8 to mitigate CVE-2022-32149
[#&#8203;1187](https://togithub.com/prometheus/client_golang/issues/1187)
\[ENHANCEMENT] Add exemplars and middleware examples
[#&#8203;1173](https://togithub.com/prometheus/client_golang/issues/1173)
\[ENHANCEMENT] Add more context to "duplicate label names" error to
enable debugging
[#&#8203;1177](https://togithub.com/prometheus/client_golang/issues/1177)
\[ENHANCEMENT] Add constrained labels and constrained variant for all
MetricVecs
[#&#8203;1151](https://togithub.com/prometheus/client_golang/issues/1151)
\[ENHANCEMENT] Moved away from deprecated github.com/golang/protobuf
package
[#&#8203;1183](https://togithub.com/prometheus/client_golang/issues/1183)
\[ENHANCEMENT] Add possibility to dynamically get label values for http
instrumentation
[#&#8203;1066](https://togithub.com/prometheus/client_golang/issues/1066)
\[ENHANCEMENT] Add ability to Pusher to add custom headers
[#&#8203;1218](https://togithub.com/prometheus/client_golang/issues/1218)
\[ENHANCEMENT] api: Extend and improve efficiency of json-iterator usage
[#&#8203;1225](https://togithub.com/prometheus/client_golang/issues/1225)
\[ENHANCEMENT] Added (official) support for go 1.20
[#&#8203;1234](https://togithub.com/prometheus/client_golang/issues/1234)
\[ENHANCEMENT] timer: Added support for exemplars
[#&#8203;1233](https://togithub.com/prometheus/client_golang/issues/1233)
\[ENHANCEMENT] Filter expected metrics as well in CollectAndCompare
[#&#8203;1143](https://togithub.com/prometheus/client_golang/issues/1143)
\[ENHANCEMENT] ⚠️ Only set start/end if time is not Zero. This breaks
compatibility in experimental api package. If you strictly depend on
empty time.Time as actual value, the behavior is now changed
[#&#8203;1238](https://togithub.com/prometheus/client_golang/issues/1238)

<details>
  <summary>All commits</summary>

- Merge release 1.14 to main by
[@&#8203;bwplotka](https://togithub.com/bwplotka) in
[https://github.com/prometheus/client_golang/pull/1164](https://togithub.com/prometheus/client_golang/pull/1164)
- Fix typo in doc comment by
[@&#8203;beorn7](https://togithub.com/beorn7) in
[https://github.com/prometheus/client_golang/pull/1166](https://togithub.com/prometheus/client_golang/pull/1166)
- Fix issue with atomic variables on ppc64le by
[@&#8203;beorn7](https://togithub.com/beorn7) in
[https://github.com/prometheus/client_golang/pull/1171](https://togithub.com/prometheus/client_golang/pull/1171)
- examples: Add exemplars and middleware examples by
[@&#8203;jessicalins](https://togithub.com/jessicalins) in
[https://github.com/prometheus/client_golang/pull/1173](https://togithub.com/prometheus/client_golang/pull/1173)
- Add context to "duplicate label names" to enable debugging by
[@&#8203;SpencerMalone](https://togithub.com/SpencerMalone) in
[https://github.com/prometheus/client_golang/pull/1177](https://togithub.com/prometheus/client_golang/pull/1177)
- Add constrained labels and Constrained variant for all MetricVecs by
[@&#8203;Okhoshi](https://togithub.com/Okhoshi) in
[https://github.com/prometheus/client_golang/pull/1151](https://togithub.com/prometheus/client_golang/pull/1151)
- Support for multiple samples within same metric by
[@&#8203;machadovilaca](https://togithub.com/machadovilaca) in
[https://github.com/prometheus/client_golang/pull/1181](https://togithub.com/prometheus/client_golang/pull/1181)
- Replace deprecated github.com/golang/protobuf package by
[@&#8203;zhsj](https://togithub.com/zhsj) in
[https://github.com/prometheus/client_golang/pull/1183](https://togithub.com/prometheus/client_golang/pull/1183)
- Bump golang.org/x/text to v0.3.8 to mitigate CVE-2022-32149 by
[@&#8203;b4bay](https://togithub.com/b4bay) in
[https://github.com/prometheus/client_golang/pull/1187](https://togithub.com/prometheus/client_golang/pull/1187)
- typo fix by
[@&#8203;ibreakthecloud](https://togithub.com/ibreakthecloud) in
[https://github.com/prometheus/client_golang/pull/1178](https://togithub.com/prometheus/client_golang/pull/1178)
- Add possibility to dynamically get label values for http
instrumentation by [@&#8203;Okhoshi](https://togithub.com/Okhoshi) in
[https://github.com/prometheus/client_golang/pull/1066](https://togithub.com/prometheus/client_golang/pull/1066)
- Bump github.com/cespare/xxhash/v2 from 2.1.2 to 2.2.0 by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/prometheus/client_golang/pull/1199](https://togithub.com/prometheus/client_golang/pull/1199)
- Bump github.com/prometheus/procfs from 0.8.0 to 0.9.0 by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/prometheus/client_golang/pull/1198](https://togithub.com/prometheus/client_golang/pull/1198)
- Bump golang.org/x/sys from 0.3.0 to 0.4.0 by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/prometheus/client_golang/pull/1217](https://togithub.com/prometheus/client_golang/pull/1217)
- Synchronize common files from prometheus/prometheus by
[@&#8203;prombot](https://togithub.com/prombot) in
[https://github.com/prometheus/client_golang/pull/1213](https://togithub.com/prometheus/client_golang/pull/1213)
- Bump github.com/prometheus/common from 0.37.0 to 0.39.0 by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/prometheus/client_golang/pull/1197](https://togithub.com/prometheus/client_golang/pull/1197)
- Add `Header` method to Pusher for custom header by
[@&#8203;songjiayang](https://togithub.com/songjiayang) in
[https://github.com/prometheus/client_golang/pull/1218](https://togithub.com/prometheus/client_golang/pull/1218)
- Synchronize common files from prometheus/prometheus by
[@&#8203;prombot](https://togithub.com/prombot) in
[https://github.com/prometheus/client_golang/pull/1224](https://togithub.com/prometheus/client_golang/pull/1224)
- api: Extend and improve json-iterator usage by
[@&#8203;beorn7](https://togithub.com/beorn7) in
[https://github.com/prometheus/client_golang/pull/1225](https://togithub.com/prometheus/client_golang/pull/1225)
- Indent example in godoc consistently by
[@&#8203;lamida](https://togithub.com/lamida) in
[https://github.com/prometheus/client_golang/pull/1226](https://togithub.com/prometheus/client_golang/pull/1226)
- Remove unnecessary check if label is nil in observeWithExemplar by
[@&#8203;dimonl](https://togithub.com/dimonl) in
[https://github.com/prometheus/client_golang/pull/1235](https://togithub.com/prometheus/client_golang/pull/1235)
- README: Remove not working gocoverage images. by
[@&#8203;bwplotka](https://togithub.com/bwplotka) in
[https://github.com/prometheus/client_golang/pull/1236](https://togithub.com/prometheus/client_golang/pull/1236)
- Added support for go 1.20. by
[@&#8203;bwplotka](https://togithub.com/bwplotka) in
[https://github.com/prometheus/client_golang/pull/1234](https://togithub.com/prometheus/client_golang/pull/1234)
- timer: Added support for exemplars. by
[@&#8203;bwplotka](https://togithub.com/bwplotka) in
[https://github.com/prometheus/client_golang/pull/1233](https://togithub.com/prometheus/client_golang/pull/1233)
- Synchronize common files from prometheus/prometheus by
[@&#8203;prombot](https://togithub.com/prombot) in
[https://github.com/prometheus/client_golang/pull/1237](https://togithub.com/prometheus/client_golang/pull/1237)
- Filter expected metrics as well in CollectAndCompare by
[@&#8203;DariaKunoichi](https://togithub.com/DariaKunoichi) in
[https://github.com/prometheus/client_golang/pull/1143](https://togithub.com/prometheus/client_golang/pull/1143)
- Only set start/end if time is not Zero by
[@&#8203;jacksontj](https://togithub.com/jacksontj) in
[https://github.com/prometheus/client_golang/pull/1238](https://togithub.com/prometheus/client_golang/pull/1238)
- Bump google.golang.org/protobuf from 1.28.1 to 1.30.0 by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/prometheus/client_golang/pull/1243](https://togithub.com/prometheus/client_golang/pull/1243)
- Bump golang.org/x/sys from 0.5.0 to 0.6.0 by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/prometheus/client_golang/pull/1246](https://togithub.com/prometheus/client_golang/pull/1246)
- Bump github.com/golang/protobuf from 1.5.2 to 1.5.3 by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/prometheus/client_golang/pull/1245](https://togithub.com/prometheus/client_golang/pull/1245)
- Bump github.com/prometheus/common from 0.41.0 to 0.42.0 by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/prometheus/client_golang/pull/1244](https://togithub.com/prometheus/client_golang/pull/1244)
- Cut v1.15.0 by [@&#8203;bwplotka](https://togithub.com/bwplotka) in
[https://github.com/prometheus/client_golang/pull/1249](https://togithub.com/prometheus/client_golang/pull/1249)

</details>

#### New Contributors
* @&#8203;SpencerMalone made their first
contributi[https://github.com/prometheus/client_golang/pull/1177](https://togithub.com/prometheus/client_golang/pull/1177)l/1177
* @&#8203;Okhoshi made their first
contributi[https://github.com/prometheus/client_golang/pull/1151](https://togithub.com/prometheus/client_golang/pull/1151)l/1151
* @&#8203;machadovilaca made their first
contributi[https://github.com/prometheus/client_golang/pull/1181](https://togithub.com/prometheus/client_golang/pull/1181)l/1181
* @&#8203;b4bay made their first
contributi[https://github.com/prometheus/client_golang/pull/1187](https://togithub.com/prometheus/client_golang/pull/1187)l/1187
* @&#8203;ibreakthecloud made their first
contributi[https://github.com/prometheus/client_golang/pull/1178](https://togithub.com/prometheus/client_golang/pull/1178)l/1178
* @&#8203;songjiayang made their first
contributi[https://github.com/prometheus/client_golang/pull/1218](https://togithub.com/prometheus/client_golang/pull/1218)l/1218
* @&#8203;lamida made their first
contributi[https://github.com/prometheus/client_golang/pull/1226](https://togithub.com/prometheus/client_golang/pull/1226)l/1226
* @&#8203;dimonl made their first
contributi[https://github.com/prometheus/client_golang/pull/1235](https://togithub.com/prometheus/client_golang/pull/1235)l/1235
* @&#8203;DariaKunoichi made their first
contributi[https://github.com/prometheus/client_golang/pull/1143](https://togithub.com/prometheus/client_golang/pull/1143)l/1143

**Full Changelog**:
prometheus/client_golang@v1.14.0...v1.15.0

</details>

---

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core/go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/golang/mock v1.6.0
 	github.com/open-feature/open-feature-operator v0.2.34
 	github.com/open-feature/schemas v0.2.8
-	github.com/prometheus/client_golang v1.14.0
+	github.com/prometheus/client_golang v1.15.0
 	github.com/robfig/cron v1.2.0
 	github.com/rs/cors v1.8.3
 	github.com/rs/xid v1.4.0
@@ -65,7 +65,7 @@ require (
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
-	github.com/kr/pretty v0.3.0 // indirect
+	github.com/kr/pretty v0.3.1 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect
@@ -76,7 +76,7 @@ require (
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_model v0.3.0 // indirect
-	github.com/prometheus/common v0.40.0 // indirect
+	github.com/prometheus/common v0.42.0 // indirect
 	github.com/prometheus/procfs v0.9.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect

core/go.sum

@@ -611,6 +611,7 @@ github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfn
 github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0=
 github.com/kr/pretty v0.3.0/go.mod h1:640gp4NfQd8pI5XOwp5fnNeVWj67G7CFk/SaSQn7NBk=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
@@ -644,6 +645,7 @@ github.com/open-feature/open-feature-operator v0.2.34 h1:VJt+tHagzxXG2l/O3xFWnY2
 github.com/open-feature/open-feature-operator v0.2.34/go.mod h1:AQpIztSzUj+stvUi2GRJNTaEZhk6GAFt5xtUAQrWqtE=
 github.com/open-feature/schemas v0.2.8 h1:oA75hJXpOd9SFgmNI2IAxWZkwzQPUDm7Jyyh3q489wM=
 github.com/open-feature/schemas v0.2.8/go.mod h1:vj+rfTsOLlh5PtGGkAbitnJmFPYuTHXTjOy13kzNgKQ=
+github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -653,12 +655,16 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_golang v1.14.0 h1:nJdhIvne2eSX/XRAFV9PcvFFRbrjbcTUj0VP62TMhnw=
 github.com/prometheus/client_golang v1.14.0/go.mod h1:8vpkKitgIVNcqrRBWh1C4TIUQgYNtG/XQE4E/Zae36Y=
+github.com/prometheus/client_golang v1.15.0 h1:5fCgGYogn0hFdhyhLbw7hEsWxufKtY9klyvdNfFlFhM=
+github.com/prometheus/client_golang v1.15.0/go.mod h1:e9yaBhRPU2pPNsZwE+JdQl0KEt1N9XgF6zxWmaC0xOk=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.3.0 h1:UBgGFHqYdG/TPFD1B1ogZywDqEkwp3fBMvqdiQ7Xew4=
 github.com/prometheus/client_model v0.3.0/go.mod h1:LDGWKZIo7rky3hgvBe+caln+Dr3dPggB5dvjtD7w9+w=
 github.com/prometheus/common v0.40.0 h1:Afz7EVRqGg2Mqqf4JuF9vdvp1pi220m55Pi9T2JnO4Q=
 github.com/prometheus/common v0.40.0/go.mod h1:L65ZJPSmfn/UBWLQIHV7dBrKFidB/wPlF1y5TlSt9OE=
+github.com/prometheus/common v0.42.0 h1:EKsfXEYo4JpWMHH5cg+KOUWeuJSov1Id8zGR8eeI1YM=
+github.com/prometheus/common v0.42.0/go.mod h1:xBwqVerjNdUDjgODMpudtOMwlOwf2SaTr1yjz4b7Zbc=
 github.com/prometheus/procfs v0.9.0 h1:wzCHvIvM5SxWqYvwgVL7yJY8Lz3PKn49KQtpgMYJfhI=
 github.com/prometheus/procfs v0.9.0/go.mod h1:+pB4zwohETzFnmlpe6yd2lSc+0/46IYZRB/chUwxUZY=
 github.com/robfig/cron v1.2.0 h1:ZjScXvvxeQ63Dbyxy76Fj3AT3Ut0aKsyd2/tl3DTMuQ=
@@ -667,6 +673,7 @@ github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6L
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.6.1 h1:/FiVV8dS/e+YqF2JvO3yXRFbBLTIuSDkuC7aBOAvL+k=
 github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
+github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
 github.com/rs/cors v1.8.3 h1:O+qNyWn7Z+F9M0ILBHgMVPuB1xTOucVd5gtaYyXBpRo=
 github.com/rs/cors v1.8.3/go.mod h1:XyqrcTp5zjWr1wsJ8PIRZssZ8b/WMcMf71DJnit4EMU=
 github.com/rs/xid v1.4.0 h1:qd7wPTDkN6KQx2VmMBLrpHkiyQwgFXRnkOLacUiaSNY=