Bump org.easymock:easymock from 5.1.0 to 5.2.0 (jenkinsci#111)

Bumps [org.easymock:easymock](https://github.com/easymock/easymock) from 5.1.0 to 5.2.0.
- [Release notes](https://github.com/easymock/easymock/releases)
- [Changelog](https://github.com/easymock/easymock/blob/master/ReleaseNotes.md)
- [Commits](easymock/easymock@easymock-5.1.0...easymock-5.2.0)

---
updated-dependencies:
- dependency-name: org.easymock:easymock
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>