Bump net.sourceforge.pmd:pmd from 7.8.0 to 7.9.0 (#81)

Bumps [net.sourceforge.pmd:pmd](https://github.com/pmd/pmd) from 7.8.0 to 7.9.0.
- [Release notes](https://github.com/pmd/pmd/releases)
- [Changelog](https://github.com/pmd/pmd/blob/main/docs/render_release_notes.rb)
- [Commits](pmd/pmd@pmd_releases/7.8.0...pmd_releases/7.9.0)

---
updated-dependencies:
- dependency-name: net.sourceforge.pmd:pmd
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -39,5 +39,5 @@ junit = { group = "org.junit", name = "junit-bom", version = "5.11.4" }
 junit-console = { group = "org.junit.platform", name = "junit-platform-console" }
 junit-jupiter = { group = "org.junit.jupiter", name = "junit-jupiter" }
 junit-launcher = { group = "org.junit.platform", name = "junit-platform-launcher" }
-pmd = { group = "net.sourceforge.pmd", name = "pmd", version = "7.8.0" }
+pmd = { group = "net.sourceforge.pmd", name = "pmd", version = "7.9.0" }
 turnkey = { group = "tools.aqua", name = "turnkey-support", version = "1.0.0" }