Bump com.google.protobuf:protoc from 3.23.4 to 4.28.3

Bumps [com.google.protobuf:protoc](https://github.com/protocolbuffers/protobuf) from 3.23.4 to 4.28.3.
- [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:protoc
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

gradle/libs.versions.toml

@@ -10,7 +10,7 @@ buildConfig = "5.5.0"
 # runtime
 bufbuild = "1.45.0"
 jackson = "2.18.0"
-protoc = "3.23.4"
+protoc = "4.28.3"
 versioncompare = "1.5.0"
 
 # test