📦 Dependency updates
- Bump maven-project-info-reports-plugin from 3.1.0 to 3.1.1 (#20) @dependabot
- Bump junit from 4.13 to 4.13.1 (#22) @dependabot
- Bump actions/cache from v2.1.0 to v2.1.2 (#21) @dependabot
- Bump maven-pmd-plugin from 3.12.0 to 3.13.0 (#13) @dependabot
- Bump maven-resources-plugin from 3.1.0 to 3.2.0 (#14) @dependabot
- Bump maven-checkstyle-plugin from 3.0.0 to 3.1.1 (#15) @dependabot
- Bump animal-sniffer-enforcer-rule from 1.18 to 1.19 (#16) @dependabot
- Bump maven-javadoc-plugin from 3.1.1 to 3.2.0 (#17) @dependabot
- Bump junit from 4.12 to 4.13 (#18) @dependabot