chore(deps): Bump protobuf in /pbj-core/hiero-dependency-versions

Bumps `protobuf` from 4.31.1 to 4.33.1.

Updates `com.google.protobuf:protoc` from 4.31.1 to 4.33.1
- [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` from 4.31.1 to 4.33.1
- [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 4.31.1 to 4.33.1

---
updated-dependencies:
- dependency-name: com.google.protobuf:protoc
  dependency-version: 4.33.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.google.protobuf:protobuf-java
  dependency-version: 4.33.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.google.protobuf:protobuf-java-util
  dependency-version: 4.33.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pbj-core/hiero-dependency-versions/build.gradle.kts

@@ -4,7 +4,7 @@ group = "com.hedera.hashgraph"
 val antlr = "4.13.2"
 val grpc = "1.76.0"
 val helidon = "4.2.7"
-val protobuf = "4.31.1"
+val protobuf = "4.33.1"
 
 val junit5 = "5.13.4"
 val mockito = "5.20.0"