Do not fail for existing tags

Author: blafoo

Diff for: .github/workflows/maven-publish.yml

@@ -35,7 +35,7 @@ jobs:
           git config --global user.name "Bob the Builder"
           git add pom.xml
           git commit -m "updating version to ${{ github.event.inputs.version }} in pom"
-          git tag -a v${{ github.event.inputs.version }} -m "tagging version ${{ github.event.inputs.version }}"
+          git tag -f -a v${{ github.event.inputs.version }} -m "tagging version ${{ github.event.inputs.version }}"
           git push --tags
           mvn --batch-mode deploy -Ppublish
         env: