Bump pmd.api.version from 7.8.0 to 7.9.0

Bumps `pmd.api.version` from 7.8.0 to 7.9.0.

Updates `net.sourceforge.pmd:pmd-core` 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)

Updates `net.sourceforge.pmd:pmd-java` 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-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: net.sourceforge.pmd:pmd-java
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -70,7 +70,7 @@
     <jsoup.version>1.18.3</jsoup.version>
     <json.version>20240303</json.version>
     <json-smart.version>2.5.1</json-smart.version>
-    <pmd.api.version>7.8.0</pmd.api.version>
+    <pmd.api.version>7.9.0</pmd.api.version>
     <spotbugs.api.version>4.8.6</spotbugs.api.version>
 
     <incrementals-plugin.version>1.8</incrementals-plugin.version>