build(deps): bump org.codehaus.gmavenplus:gmavenplus-plugin

Bumps [org.codehaus.gmavenplus:gmavenplus-plugin](https://github.com/groovy/GMavenPlus) from 5.0.0 to 5.1.0.
- [Release notes](https://github.com/groovy/GMavenPlus/releases)
- [Commits](https://github.com/groovy/GMavenPlus/compare/5.0.0...5.1.0)

---
updated-dependencies:
- dependency-name: org.codehaus.gmavenplus:gmavenplus-plugin
  dependency-version: 5.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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