[JENKINS-71921] Updates Lombok and Lombok maven plugin versions to 1.18.30(.1)

[alecharp]

see JENKINS-71921

Testing done

I ran mvn verify locally after building the lombok-maven-plugin as awhitford/lombok.maven#180 is required for this to work and the pull request is not merged nor release when creating this pull request.

### Submitter checklist
- [x] Make sure you are opening from a **topic/feature/bugfix branch** (right side) and not your main branch!
- [x] Ensure that the pull request title represents the desired changelog entry
- [x] Please describe what you did
- [x] Link to relevant issues in GitHub or Jira
- [x] Link to relevant pull requests, esp. upstream and downstream changes
- [x] Ensure you have provided tests - that demonstrates feature works or fixes the issue

[alecharp]

@jenkinsci/google-compute-engine-plugin-developers could you please review this pull request? Thanks