build(deps): bump google.golang.org/grpc in /api/v2

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.62.1 to 1.63.2.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.62.1...v1.63.2)

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

Signed-off-by: dependabot[bot] <support@github.com>

api/v2/go.mod

@@ -3,14 +3,13 @@ module github.com/dexidp/dex/api/v2
 go 1.17
 
 require (
-	google.golang.org/grpc v1.62.1
+	google.golang.org/grpc v1.63.2
 	google.golang.org/protobuf v1.34.1
 )
 
 require (
-	github.com/golang/protobuf v1.5.3 // indirect
 	golang.org/x/net v0.23.0 // indirect
 	golang.org/x/sys v0.18.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240123012728-ef4313101c80 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de // indirect
 )