Codingstyle 0.3.2 🎁

Changelog

📦 Dependency updates

• Bump maven-source-plugin from 3.0.1 to 3.2.0 (#52) @dependabot-preview
• Bump maven-gpg-plugin from 1.5 to 1.6 (#53) @dependabot-preview
• Bump checkstyle from 8.26 to 8.27 (#55) @dependabot-preview
• Bump pmd.version from 6.19.0 to 6.20.0 (#57) @dependabot-preview
• Bump mockito-core from 3.1.0 to 3.2.4 (#59) @dependabot-preview