Bump protobufVersion from 4.28.1 to 4.28.2

Bumps `protobufVersion` from 4.28.1 to 4.28.2.

Updates `com.google.protobuf:protobuf-java` from 4.28.1 to 4.28.2
- [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)

Updates `com.google.protobuf:protobuf-java-util` from 4.28.1 to 4.28.2

Updates `com.google.protobuf:protoc` from 4.28.1 to 4.28.2
- [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-patch
- dependency-name: com.google.protobuf:protobuf-java-util
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.google.protobuf:protoc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -101,7 +101,7 @@ ext {
     oracleVersion = '23.5.0.24.07'
     pahoMqttClientVersion = '1.2.5'
     postgresVersion = '42.7.4'
-    protobufVersion = '4.28.1'
+    protobufVersion = '4.28.2'
     r2dbch2Version = '1.0.0.RELEASE'
     reactorVersion = '2024.0.0-M6'
     resilience4jVersion = '2.2.0'