Bump google.golang.org/grpc from 1.46.2 to 1.47.0 (sigstore#852)

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.46.2 to 1.47.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.46.2...v1.47.0)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

go.mod

@@ -52,7 +52,7 @@ require (
 	golang.org/x/net v0.0.0-20220520000938-2e3eb7b945c2
 	golang.org/x/sync v0.0.0-20220513210516-0976fa681c29
 	google.golang.org/genproto v0.0.0-20220422154200-b37d22cd5731
-	google.golang.org/grpc v1.46.2
+	google.golang.org/grpc v1.47.0
 	google.golang.org/protobuf v1.28.0
 	gopkg.in/ini.v1 v1.66.6
 	sigs.k8s.io/release-utils v0.4.1-0.20220207182343-6dadf2228617

go.sum

@@ -2411,8 +2411,8 @@ google.golang.org/grpc v1.42.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ5
 google.golang.org/grpc v1.44.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
 google.golang.org/grpc v1.45.0/go.mod h1:lN7owxKUQEqMfSyQikvvk5tf/6zMPsrK+ONuO11+0rQ=
 google.golang.org/grpc v1.46.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
-google.golang.org/grpc v1.46.2 h1:u+MLGgVf7vRdjEYZ8wDFhAVNmhkbJ5hmrA1LMWK1CAQ=
-google.golang.org/grpc v1.46.2/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
+google.golang.org/grpc v1.47.0 h1:9n77onPX5F3qfFCqjy9dhn8PbNQsIKeVU04J9G7umt8=
+google.golang.org/grpc v1.47.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.2.0/go.mod h1:DNq5QpG7LJqD2AamLZ7zvKE0DEpVl2BSEVjFycAAjRY=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=