Bump com.google.protobuf:protobuf-java from 3.21.12 to 4.28.1

Bumps [com.google.protobuf:protobuf-java](https://github.com/protocolbuffers/protobuf) from 3.21.12 to 4.28.1.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](https://github.com/protocolbuffers/protobuf/commits)

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

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

annotations-processor/build.gradle

@@ -8,7 +8,7 @@ dependencies {
     api 'com.google.guava:guava:32.1.2-jre'
     api 'com.squareup:javapoet:1.13.+'
     api 'com.github.jknack:handlebars:4.3.+'
-    api 'com.google.protobuf:protobuf-java:3.21.12'
+    api 'com.google.protobuf:protobuf-java:4.28.1'
     api 'javax.annotation:javax.annotation-api:1.3.2'
     api gradleApi()