Bump protobuf from 3.19.4 to 3.19.5 in /release

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 3.19.4 to 3.19.5.
- [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...v3.19.5)

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

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

Author: dependabot[bot]

release/setup.py

@@ -53,7 +53,7 @@ def finalize_options(self):
 REQUIRED_PACKAGES = [
     'cirq-core==0.13.1', 'cirq-google>=0.13.1', 'sympy == 1.8',
     'googleapis-common-protos==1.52.0', 'google-api-core==1.21.0',
-    'google-auth==1.18.0', 'protobuf==3.19.4'
+    'google-auth==1.18.0', 'protobuf==3.19.5'
 ]
 
 # placed as extra to not have required overwrite existing nightly installs if