Update module google.golang.org/grpc to v1.66.2 (#5977)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [google.golang.org/grpc](https://redirect.github.com/grpc/grpc-go) |
`v1.66.1` -> `v1.66.2` |
[![age](https://developer.mend.io/api/mc/badges/age/go/google.golang.org%2fgrpc/v1.66.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/go/google.golang.org%2fgrpc/v1.66.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/go/google.golang.org%2fgrpc/v1.66.1/v1.66.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/go/google.golang.org%2fgrpc/v1.66.1/v1.66.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>grpc/grpc-go (google.golang.org/grpc)</summary>

###
[`v1.66.2`](https://redirect.github.com/grpc/grpc-go/releases/tag/v1.66.2):
Release 1.66.2

[Compare
Source](https://redirect.github.com/grpc/grpc-go/compare/v1.66.1...v1.66.2)

### Dependencies

- Remove unintentional dependency on the `testing` package
([#&#8203;7579](https://redirect.github.com/grpc/grpc-go/issues/7579))
- Remove unintentional dependency on the `flate` package
([#&#8203;7595](https://redirect.github.com/grpc/grpc-go/issues/7595))
- Special Thanks: [@&#8203;ash2k](https://redirect.github.com/ash2k)

### Bug Fixes

- client: fix a bug that prevented memory reuse after handling unary
RPCs
([#&#8203;7571](https://redirect.github.com/grpc/grpc-go/issues/7571))
- Special Thanks: [@&#8203;coxley](https://redirect.github.com/coxley)

</details>

---

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---

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---

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go.mod

@@ -91,7 +91,7 @@ require (
 	go.uber.org/zap v1.27.0
 	golang.org/x/net v0.29.0
 	golang.org/x/sys v0.25.0
-	google.golang.org/grpc v1.66.1
+	google.golang.org/grpc v1.66.2
 	google.golang.org/protobuf v1.34.2
 	gopkg.in/yaml.v3 v3.0.1
 )

go.sum

@@ -879,8 +879,8 @@ google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyac
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
-google.golang.org/grpc v1.66.1 h1:hO5qAXR19+/Z44hmvIM4dQFMSYX9XcWsByfoxutBpAM=
-google.golang.org/grpc v1.66.1/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
+google.golang.org/grpc v1.66.2 h1:3QdXkuq3Bkh7w+ywLdLvM56cmGvQHUMZpiCzt6Rqaoo=
+google.golang.org/grpc v1.66.2/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=