Exit without failure if nothing to commit

.github/workflows/post-dependabot.yml

@@ -35,5 +35,5 @@ jobs:
           git config --global user.name 'dependabot[bot]'
           git config --global user.email '49699333+dependabot[bot]@users.noreply.github.com'
           git add .
-          git commit -m "Update licensed cache and dist/ directory"
+          git commit -m "Update licensed cache and dist/ directory" || exit 0
           git push