ui: bump google-protobuf in /server/src/main/webapp/WEB-INF/rails
ui: bump google-protobuf in /server/src/main/webapp/WEB-INF/rails

Bumps [google-protobuf](https://github.com/protocolbuffers/protobuf) from 3.21.7 to 3.21.8.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/generate_changelog.py)
- [Commits](https://github.com/protocolbuffers/protobuf/compare/v3.21.7...v3.21.8)

---
updated-dependencies:
- dependency-name: google-protobuf
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
gocd/gocd,ketan/gocd,ketan/gocd,gocd/gocd,ketan/gocd,Skarlso/gocd,ketan/gocd,gocd/gocd,Skarlso/gocd,ketan/gocd,Skarlso/gocd,Skarlso/gocd,gocd/gocd,gocd/gocd,gocd/gocd,Skarlso/gocd,ketan/gocd,Skarlso/gocd