chore(deps): bump google.golang.org/grpc from 1.52.3 to 1.56.3 (#123)

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.52.3 to 1.56.3.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.52.3...v1.56.3)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-version: 1.56.3
  dependency-type: direct:production
...

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go.mod

@@ -4,8 +4,8 @@ go 1.16
 
 require (
 	go.unistack.org/micro/v3 v3.10.5
-	golang.org/x/net v0.4.0
-	google.golang.org/grpc v1.52.3
-	google.golang.org/protobuf v1.28.1
+	golang.org/x/net v0.9.0
+	google.golang.org/grpc v1.56.3
+	google.golang.org/protobuf v1.30.0
 	storj.io/drpc v0.0.32
 )