Bump protobufVersion from 3.25.5 to 4.29.0

Bumps `protobufVersion` from 3.25.5 to 4.29.0.

Updates `com.google.protobuf:protobuf-java` from 3.25.5 to 4.29.0
- [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:protoc` from 3.25.5 to 4.29.0
- [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)

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

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

build.gradle.kts

@@ -33,7 +33,7 @@ extra.apply {
     set("grpcVersion", "1.68.1")
     set("mapStructVersion", "1.6.3")
     set("nodeJsVersion", "18.20.5")
-    set("protobufVersion", "3.25.5")
+    set("protobufVersion", "4.29.0")
     set("reactorGrpcVersion", "1.2.4")
     set("vertxVersion", "4.5.11")
     set("tuweniVersion", "2.3.1")