Bump google.golang.org/grpc in /internal/signalfx-agent

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.71.1 to 1.72.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.71.1...v1.72.0)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-version: 1.72.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

internal/signalfx-agent/go.mod

@@ -59,7 +59,7 @@ require (
 	golang.org/x/sync v0.13.0
 	golang.org/x/sys v0.32.0
 	golang.org/x/tools v0.30.0 // indirect
-	google.golang.org/grpc v1.71.1
+	google.golang.org/grpc v1.72.0
 	gopkg.in/go-playground/validator.v9 v9.31.0
 	gopkg.in/yaml.v2 v2.4.0
 	k8s.io/api v0.32.3

internal/signalfx-agent/go.sum

@@ -763,8 +763,8 @@ google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a/go.
 google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a h1:51aaUVRocpvUOSQKM6Q7VuoaktNIaMCLuhZB6DKksq4=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a/go.mod h1:uRxBH1mhmO8PGhU89cMcHaXKZqO+OfakD8QQO0oYwlQ=
 google.golang.org/grpc v1.19.1/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.71.1 h1:ffsFWr7ygTUscGPI0KKK6TLrGz0476KUvvsbqWK0rPI=
-google.golang.org/grpc v1.71.1/go.mod h1:H0GRtasmQOh9LkFoCPDu3ZrwUtD1YGE+b2vYBYd/8Ec=
+google.golang.org/grpc v1.72.0 h1:S7UkcVa60b5AAQTaO6ZKamFp1zMZSU0fGDK2WZLbBnM=
+google.golang.org/grpc v1.72.0/go.mod h1:wH5Aktxcg25y1I3w7H69nHfXdOG3UiadoBtjh3izSDM=
 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=