Bump google.golang.org/grpc from 1.55.0 to 1.56.3

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.55.0 to 1.56.3.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.55.0...v1.56.3)

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

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

go.mod

@@ -6,11 +6,12 @@ require (
 	fortio.org/fortio v1.40.1
 	github.com/envoyproxy/go-control-plane v0.11.1
 	github.com/envoyproxy/protoc-gen-validate v1.0.2
+	github.com/golang/protobuf v1.5.3
 	github.com/layer5io/meshkit v0.5.32
 	github.com/pkg/errors v0.9.1
 	github.com/sirupsen/logrus v1.9.3
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20230526203410-71b5a4ffd15e
-	google.golang.org/grpc v1.55.0
+	google.golang.org/grpc v1.56.3
 	google.golang.org/protobuf v1.31.0
 )
 
@@ -19,7 +20,6 @@ require (
 	fortio.org/assert v1.2.0 // indirect
 	github.com/cncf/xds/go v0.0.0-20230607035331-e9ce68804cb4 // indirect
 	github.com/cockroachdb/apd/v2 v2.0.1 // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/mpvl/unique v0.0.0-20150818121801-cbe035fff7de // indirect
 	golang.org/x/exp v0.0.0-20230425010034-47ecfdc1ba53 // indirect

go.sum

@@ -95,8 +95,8 @@ google.golang.org/genproto/googleapis/rpc v0.0.0-20230526203410-71b5a4ffd15e/go.
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
-google.golang.org/grpc v1.55.0 h1:3Oj82/tFSCeUrRTg/5E/7d/W5A1tj6Ky1ABAuZuv5ag=
-google.golang.org/grpc v1.55.0/go.mod h1:iYEXKGkEBhg1PjZQvoYEVPTDkHo1/bjTnfwTeGONTY8=
+google.golang.org/grpc v1.56.3 h1:8I4C0Yq1EjstUzUJzpcRVbuYA2mODtEmpWiQoN/b2nc=
+google.golang.org/grpc v1.56.3/go.mod h1:I9bI3vqKfayGqPUAwGdOSu7kt6oIJLixfffKrpXqQ9s=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=