build(deps): bump google.golang.org/grpc from 1.50.1 to 1.56.3

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.50.1 to 1.56.3.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.50.1...v1.56.3)

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

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

vendor/google.golang.org/protobuf/internal/version/version.go

@@ -51,8 +51,8 @@ import (
 //  10. Send out the CL for review and submit it.
 const (
 	Major      = 1
-	Minor      = 29
-	Patch      = 1
+	Minor      = 30
+	Patch      = 0
 	PreRelease = ""
 )