use a GH action to push back

.github/workflows/examples_build_file_generation.yaml

@@ -29,7 +29,11 @@ jobs:
           # If there are no changes, git diff will exit with 0
           if git diff --exit-code gazelle_python.yaml >/dev/null; then exit 0; fi
           git config --global user.email "bot@example.com"
-          git config --global user.name "GH action"
+          git config --local user.name "github-actions[bot]"
           git add gazelle_python.yaml
           git commit -m "chore: update gazelle_python.yaml"
-          git push -u origin ${{ github.ref_name }}
+      - name: Push changes
+        uses: ad-m/github-push-action@master
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          branch: ${{ github.ref }}