Add workflow

Author: newtork

.github/workflows/javadoc.yaml

@@ -32,7 +32,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: "Switch branch"
-        run: git checkout "${{ github.event.inputs.branch || 'javadoc-aggregate-delombok' }}"
+        run: git checkout "${{ github.event.inputs.branch || 'rel/5.23.0' }}"
 
       - name: "Set up JDK 17"
         uses: actions/setup-java@v4
@@ -58,6 +58,7 @@ jobs:
 
       - name: "Generate aggregated Javadoc"
         run: |
+          sed -i '/<sourcepath>${project.basedir}\/target\/delombok<\/sourcepath>/d' pom.xml
           mvn clean javadoc:aggregate -Drelease -Djava.failOnWarning=false --projects "${PROJECTS}" --quiet
 
       - name: "Checkout Docs Repository"