Maven 3.0.x has now reached its end of life. New plugin releases will require Maven 3.1 or later. 

See: https://maven.apache.org/docs/history.html

means we can update the [maven-plugin-api dependency](https://github.com/git-commit-id/git-commit-id-maven-plugin/blob/28737bb7415e53f355298187f7a5d7c7165f1cc6/maven/pom.xml#L32)