fix(deps): update module github.com/rs/cors to v1.9.0 (#609)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [github.com/rs/cors](https://togithub.com/rs/cors) | require | minor |
`v1.8.3` -> `v1.9.0` |

---

### Release Notes

<details>
<summary>rs/cors</summary>

### [`v1.9.0`](https://togithub.com/rs/cors/compare/v1.8.3...v1.9.0)

[Compare Source](https://togithub.com/rs/cors/compare/v1.8.3...v1.9.0)

</details>

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core/go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/open-feature/schemas v0.2.8
 	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/cors v1.9.0
 	github.com/rs/xid v1.4.0
 	github.com/stretchr/testify v1.8.2
 	github.com/xeipuuv/gojsonschema v1.2.0

core/go.sum

@@ -676,6 +676,8 @@ github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTE
 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/cors v1.9.0 h1:l9HGsTsHJcvW14Nk7J9KFz8bzeAWXn3CG6bgt7LsrAE=
+github.com/rs/cors v1.9.0/go.mod h1:XyqrcTp5zjWr1wsJ8PIRZssZ8b/WMcMf71DJnit4EMU=
 github.com/rs/xid v1.4.0 h1:qd7wPTDkN6KQx2VmMBLrpHkiyQwgFXRnkOLacUiaSNY=
 github.com/rs/xid v1.4.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
 github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=