Bumps [mockito-core](https://github.com/mockito/mockito) from 4.2.0 to 4.3.1.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](https://github.com/mockito/mockito/compare/v4.2.0...v4.3.1

)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

breaking: Implement ServerPackCreator from GitLab Maven packages and provide basic example of a plugin

Bumps [mockito-core](https://github.com/mockito/mockito) from 4.1.0 to 4.2.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](https://github.com/mockito/mockito/compare/v4.1.0...v4.2.0

)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Initial commit. Provide base example of an addon for ServerPackCreator with documentation and tests.