Bump pmd.version from 7.19.0 to 7.20.0

Bumps `pmd.version` from 7.19.0 to 7.20.0.

Updates `net.sourceforge.pmd:pmd-core` from 7.19.0 to 7.20.0
- [Release notes](https://github.com/pmd/pmd/releases)
- [Commits](pmd/pmd@pmd_releases/7.19.0...pmd_releases/7.20.0)

Updates `net.sourceforge.pmd:pmd-java` from 7.19.0 to 7.20.0
- [Release notes](https://github.com/pmd/pmd/releases)
- [Commits](pmd/pmd@pmd_releases/7.19.0...pmd_releases/7.20.0)

Updates `net.sourceforge.pmd:pmd-javascript` from 7.19.0 to 7.20.0
- [Release notes](https://github.com/pmd/pmd/releases)
- [Commits](pmd/pmd@pmd_releases/7.19.0...pmd_releases/7.20.0)

Updates `net.sourceforge.pmd:pmd-jsp` from 7.19.0 to 7.20.0
- [Release notes](https://github.com/pmd/pmd/releases)
- [Commits](pmd/pmd@pmd_releases/7.19.0...pmd_releases/7.20.0)

---
updated-dependencies:
- dependency-name: net.sourceforge.pmd:pmd-core
  dependency-version: 7.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: net.sourceforge.pmd:pmd-java
  dependency-version: 7.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: net.sourceforge.pmd:pmd-javascript
  dependency-version: 7.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: net.sourceforge.pmd:pmd-jsp
  dependency-version: 7.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -62,7 +62,7 @@
         <!-- quality -->
         <checkstyle.version>12.3.0</checkstyle.version>
         <spotbugs.version>4.9.8</spotbugs.version>
-        <pmd.version>7.19.0</pmd.version>
+        <pmd.version>7.20.0</pmd.version>
         <archunit.version>1.4.1</archunit.version>
         <dependencycheck.version>10.0.4</dependencycheck.version>