Bump google-protobuf from 3.19.4 to 3.21.9

Bumps [google-protobuf](https://github.com/protocolbuffers/protobuf) from 3.19.4 to 3.21.9.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/generate_changelog.py)
- [Commits](protocolbuffers/protobuf@v3.19.4...v3.21.9)

---
updated-dependencies:
- dependency-name: google-protobuf
  dependency-type: indirect
...

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

Gemfile.lock

@@ -229,12 +229,16 @@ GEM
       thor (>= 0.14.0, < 2)
     globalid (0.5.2)
       activesupport (>= 5.0)
-    google-protobuf (3.19.4)
+    google-protobuf (3.21.9)
+    google-protobuf (3.21.9-x86_64-linux)
     googleapis-common-protos-types (1.3.0)
       google-protobuf (~> 3.14)
     grpc (1.41.1)
       google-protobuf (~> 3.17)
       googleapis-common-protos-types (~> 1.0)
+    grpc (1.41.1-x86_64-linux)
+      google-protobuf (~> 3.17)
+      googleapis-common-protos-types (~> 1.0)
     gyoku (1.3.1)
       builder (>= 2.1.2)
     haml (6.0.0)