Success even when nothing to commit

.github/workflows/fetch.yml

@@ -21,5 +21,5 @@ jobs:
           git config --global user.email '41898282+github-actions[bot]@users.noreply.github.com'
           git config --global user.name 'github-actions[bot]'
           git add .
-          git commit -m 'Update the data'
+          git commit -m 'Update the data' || echo "Nothing to commit"
           git push