Bump protobuf-java from 3.21.3 to 3.21.4 (#3140)

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](protocolbuffers/protobuf@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
...

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

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

annotations-processor/build.gradle

@@ -8,7 +8,7 @@ dependencies {
     api 'com.google.guava:guava:31.1-jre'
     api 'com.squareup:javapoet:1.13.+'
     api 'com.github.jknack:handlebars:4.3.+'
-    api 'com.google.protobuf:protobuf-java:3.21.3'
+    api 'com.google.protobuf:protobuf-java:3.21.4'
     api 'javax.annotation:javax.annotation-api:1.3.2'
     api gradleApi()