Bump google.golang.org/grpc in /grpc/examples/go/greeter/client (#8026)

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.35.0 to 1.53.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.35.0...v1.53.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Michael Le <michael.le647@gmail.com>
diff --git a/grpc/examples/go/greeter/client/go.mod b/grpc/examples/go/greeter/client/go.mod
index 19689dd..69c5511 100644
--- a/grpc/examples/go/greeter/client/go.mod
+++ b/grpc/examples/go/greeter/client/go.mod
@@ -7,5 +7,5 @@
 require (
 	github.com/google/flatbuffers v1.12.0
 	github.com/google/flatbuffers/grpc/examples/go/greeter/models v0.0.0
-	google.golang.org/grpc v1.35.0
+	google.golang.org/grpc v1.53.0
 )