chore(deps): bump protobuf-java from 3.21.5 to 3.21.7 (#30)

Bumps [protobuf-java](https://github.com/protocolbuffers/protobuf) from 3.21.5 to 3.21.7.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/generate_changelog.py)
- [Commits](protocolbuffers/protobuf@v3.21.5...v3.21.7)

---
updated-dependencies:
- dependency-name: com.google.protobuf:protobuf-java
  dependency-type: direct:production
...

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

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

Author: dependabot[bot]

pom.xml

@@ -77,7 +77,7 @@
         <okhttp.version>4.9.1</okhttp.version>
         <okio.version>2.8.0</okio.version>
         <project.encoding>UTF-8</project.encoding>
-        <protobuf.version>3.21.5</protobuf.version>
+        <protobuf.version>3.21.7</protobuf.version>
         <slf4j.version>1.7.21</slf4j.version>
     </properties>