Bump maven-gpg-plugin from 1.6 to 3.0.1

Bumps [maven-gpg-plugin](https://github.com/apache/maven-gpg-plugin) from 1.6 to 3.0.1.
- [Release notes](https://github.com/apache/maven-gpg-plugin/releases)
- [Commits](https://github.com/apache/maven-gpg-plugin/compare/maven-gpg-plugin-1.6...maven-gpg-plugin-3.0.1)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-gpg-plugin
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
1 file changed
tree: 0502b19fec4de42ecb5cac1854a21f991a35f504
  1. .github/
  2. src/
  3. .gitignore
  4. Jenkinsfile
  5. pom.xml