Bumps [protobuf-java](https://github.com/protocolbuffers/protobuf) from 3.21.3 to 3.21.4.
- [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/v3.21.3...v3.21.4)
---
updated-dependencies:
- dependency-name: com.google.protobuf:protobuf-java
dependency-type: direct:production
update-type: version-update:semver-patch
...
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