Bumps [maven-source-plugin](https://github.com/apache/maven-source-plugin) from 3.0.1 to 3.2.1. - [Release notes](https://github.com/apache/maven-source-plugin/releases) - [Commits](https://github.com/apache/maven-source-plugin/compare/maven-source-plugin-3.0.1...maven-source-plugin-3.2.1) Signed-off-by: dependabot-preview[bot] <support@dependabot.com> Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com> See gh-417.