Bump grpc from 1.52.0 to 1.56.2

Bumps [grpc](https://github.com/google/grpc) from 1.52.0 to 1.56.2.
- [Release notes](https://github.com/google/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](https://github.com/google/grpc/compare/v1.52.0...v1.56.2)

---
updated-dependencies:
- dependency-name: grpc
  dependency-type: direct:production
...

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

Gemfile.lock

@@ -9,11 +9,11 @@ GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.5.0)
-    google-protobuf (3.22.1)
+    google-protobuf (3.23.4)
-    googleapis-common-protos-types (1.5.0)
+    googleapis-common-protos-types (1.7.0)
       google-protobuf (~> 3.14)
-    grpc (1.52.0)
+    grpc (1.56.2)
-      google-protobuf (~> 3.21)
+      google-protobuf (~> 3.23)
       googleapis-common-protos-types (~> 1.0)
     rake (13.0.6)
     rspec (3.11.0)