Bump pmd.version from 7.6.0 to 7.7.0

Bumps `pmd.version` from 7.6.0 to 7.7.0.

Updates `net.sourceforge.pmd:pmd-core` from 7.6.0 to 7.7.0
- [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/7.6.0...pmd_releases/7.7.0)

Updates `net.sourceforge.pmd:pmd-java` from 7.6.0 to 7.7.0
- [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/7.6.0...pmd_releases/7.7.0)

Updates `net.sourceforge.pmd:pmd-javascript` from 7.6.0 to 7.7.0
- [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/7.6.0...pmd_releases/7.7.0)

Updates `net.sourceforge.pmd:pmd-jsp` from 7.6.0 to 7.7.0
- [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/7.6.0...pmd_releases/7.7.0)

---
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
- dependency-name: net.sourceforge.pmd:pmd-javascript
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: net.sourceforge.pmd:pmd-jsp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -23,7 +23,7 @@
         <source.encoding>UTF-8</source.encoding>
         <project.build.sourceEncoding>${source.encoding}</project.build.sourceEncoding>
         <project.reporting.outputEncoding>${source.encoding}</project.reporting.outputEncoding>
-        <pmd.version>7.6.0</pmd.version>
+        <pmd.version>7.7.0</pmd.version>
         <skipSpotbugs>false</skipSpotbugs>
     </properties>