Bump protobuf from 4.21.12 to 4.22.0 (#45)

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 4.21.12 to 4.22.0.
- [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/commits/v4.22.0)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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