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

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.46.0 to 1.56.3.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.46.0...v1.56.3)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: indirect
...

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

go-example/metrics/gooteltest/go.mod

@@ -16,15 +16,15 @@ require (
 	github.com/cenkalti/backoff/v4 v4.1.3 // indirect
 	github.com/go-logr/logr v1.2.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.7.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.7.0 // indirect
 	go.opentelemetry.io/otel/trace v1.7.0 // indirect
 	go.opentelemetry.io/proto/otlp v0.16.0 // indirect
 	golang.org/x/net v0.17.0 // indirect
 	golang.org/x/sys v0.13.0 // indirect
 	golang.org/x/text v0.13.0 // indirect
-	google.golang.org/genproto v0.0.0-20211118181313-81c1377c94b1 // indirect
-	google.golang.org/grpc v1.46.0 // indirect
-	google.golang.org/protobuf v1.28.0 // indirect
+	google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1 // indirect
+	google.golang.org/grpc v1.56.3 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
 )