Bump google.golang.org/grpc in /grpc/examples/go/greeter/server (#8027)

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.39.0-dev to 1.53.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.39.0-dev...v1.53.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Michael Le <[email protected]>

Author: dependabot[bot]

grpc/examples/go/greeter/server/go.mod

@@ -7,5 +7,5 @@ replace github.com/google/flatbuffers/grpc/examples/go/greeter/models v0.0.0 =>
 require (
 	github.com/google/flatbuffers v1.12.0
 	github.com/google/flatbuffers/grpc/examples/go/greeter/models v0.0.0
-	google.golang.org/grpc v1.39.0-dev
+	google.golang.org/grpc v1.53.0
 )