chore(deps): bump version.protobuf from 3.21.1 to 3.21.2 (#185)

Bumps `version.protobuf` from 3.21.1 to 3.21.2.

Updates `protobuf-java-util` from 3.21.1 to 3.21.2
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/generate_changelog.py)
- [Commits](protocolbuffers/protobuf@v3.21.1...v3.21.2)

Updates `protobuf-java` from 3.21.1 to 3.21.2
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/generate_changelog.py)
- [Commits](protocolbuffers/protobuf@v3.21.1...v3.21.2)

---
updated-dependencies:
- dependency-name: com.google.protobuf:protobuf-java-util
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.google.protobuf:protobuf-java
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -39,7 +39,7 @@
     <!-- project dependencies -->
     <version.zeebe>8.0.3</version.zeebe>
 
-    <version.protobuf>3.21.1</version.protobuf>
+    <version.protobuf>3.21.2</version.protobuf>
     <version.protoc>3.9.1</version.protoc>
     <version.slf4j>1.7.25</version.slf4j>