build(deps): bump com.google.protobuf.protoc.version

Bumps `com.google.protobuf.protoc.version` from 4.27.2 to 4.28.0.

Updates `com.google.protobuf:protobuf-java` from 4.27.2 to 4.28.0
- [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)

Updates `com.google.protobuf:protobuf-java-util` from 4.27.2 to 4.28.0

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

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

pom.xml

@@ -23,7 +23,7 @@
         <maven.compiler.target>11</maven.compiler.target>
 
         <io.grpc.version>1.65.1</io.grpc.version>
-        <com.google.protobuf.protoc.version>4.27.2</com.google.protobuf.protoc.version>
+        <com.google.protobuf.protoc.version>4.28.0</com.google.protobuf.protoc.version>
     </properties>
 
     <dependencies>