Bump cicirello/javadoc-cleanup from v1.2.0 to v1.2.1

Bumps [cicirello/javadoc-cleanup](https://github.com/cicirello/javadoc-cleanup) from v1.2.0 to v1.2.1.
- [Release notes](https://github.com/cicirello/javadoc-cleanup/releases)
- [Changelog](https://github.com/cicirello/javadoc-cleanup/blob/master/CHANGELOG.md)
- [Commits](cicirello/javadoc-cleanup@v1.2.0...350f034)

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

Author: dependabot[bot]

.github/workflows/docs.yml

@@ -33,7 +33,7 @@ jobs:
 
     - name: Tidy up the javadocs
       id: tidy
-      uses: cicirello/[email protected].0
+      uses: cicirello/[email protected].1
       with:
         base-url-path: https://jpt.cicirello.org/
         path-to-root: docs