build(deps): bump pmd-tool.version from 7.27.0 to 7.28.0

Bumps `pmd-tool.version` from 7.27.0 to 7.28.0.

Updates `net.sourceforge.pmd:pmd-java` from 7.27.0 to 7.28.0
- [Release notes](https://github.com/pmd/pmd/releases)
- [Commits](pmd/pmd@pmd_releases/7.27.0...pmd_releases/7.28.0)

Updates `net.sourceforge.pmd:pmd-core` from 7.27.0 to 7.28.0
- [Release notes](https://github.com/pmd/pmd/releases)
- [Commits](pmd/pmd@pmd_releases/7.27.0...pmd_releases/7.28.0)

---
updated-dependencies:
- dependency-name: net.sourceforge.pmd:pmd-core
  dependency-version: 7.28.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: net.sourceforge.pmd:pmd-java
  dependency-version: 7.28.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -112,7 +112,7 @@
         <checkstyle.version>3.6.0</checkstyle.version>
         <checkstyle-tool.version>14.1.0</checkstyle-tool.version>
         <pmd-plugin.version>3.28.0</pmd-plugin.version>
-        <pmd-tool.version>7.27.0</pmd-tool.version>
+        <pmd-tool.version>7.28.0</pmd-tool.version>
         <spotbugs.version>4.10.4.1</spotbugs.version>
         <jacoco.version>0.8.15</jacoco.version>
     </properties>