build(deps): bump protobufVersion in /packages/dsl-java

Bumps `protobufVersion` from 3.25.2 to 4.31.0.

Updates `com.google.protobuf:protobuf-java` from 3.25.2 to 4.31.0
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v3.25.2...v4.31.0)

Updates `com.google.protobuf:protobuf-java-util` from 3.25.2 to 4.31.0

Updates `com.google.protobuf:protoc` from 3.25.2 to 4.31.0
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v3.25.2...v4.31.0)

---
updated-dependencies:
- dependency-name: com.google.protobuf:protobuf-java
  dependency-version: 4.31.0
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: com.google.protobuf:protobuf-java-util
  dependency-version: 4.31.0
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: com.google.protobuf:protoc
  dependency-version: 4.31.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

packages/dsl-java/build.gradle

@@ -26,7 +26,7 @@ tasks.withType(Javadoc).configureEach {
 
 def caseCoreVersion = "0.23.1"
 def grpcVersion = "1.72.0"
-def protobufVersion = "3.25.2"
+def protobufVersion = "4.31.0"
 
 dependencies {
     api("io.contract-testing.contractcase:definitions:${caseCoreVersion}") {