Bump com.google.protobuf:protobuf-java from 3.25.3 to 4.27.2

Bumps [com.google.protobuf:protobuf-java](https://github.com/protocolbuffers/protobuf) from 3.25.3 to 4.27.2.
- [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>

router-protobuf/build.gradle.kts

@@ -14,8 +14,8 @@ dependencies {
     implementation(kotlin("reflect"))
 
     implementation("org.slf4j:slf4j-api:2.0.13")
-    api("com.google.protobuf:protobuf-java:3.25.3")
-    api("com.google.protobuf:protobuf-java-util:3.25.3")
+    api("com.google.protobuf:protobuf-java:4.27.2")
+    api("com.google.protobuf:protobuf-java-util:4.27.2")
     implementation("com.google.guava:guava:33.2.1-jre")
     api(project(":router"))