Bump phpmd/phpmd from 2.10.2 to 2.13.0

Bumps [phpmd/phpmd](https:/phpmd/phpmd) from 2.10.2 to 2.13.0.
- [Release notes](https:/phpmd/phpmd/releases)
- [Changelog](https:/phpmd/phpmd/blob/master/CHANGELOG)
- [Commits](phpmd/phpmd@2.10.2...2.13.0)

---
updated-dependencies:
- dependency-name: phpmd/phpmd
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>