Update stefanzweifel/git-auto-commit-action action to v4.12.0

Author: renovate-bot

.github/workflows/nightly.yml

@@ -17,7 +17,7 @@ jobs:
     - run: echo "::set-output name=version::`./server.js --print --unhandled-rejections=strict`"
       id: update
 
-    - uses: stefanzweifel/git-auto-commit-action@v4.1.6
+    - uses: stefanzweifel/git-auto-commit-action@v4.12.0
       if: steps.update.outputs.version != ''
       id: "auto-commit-action"
       with: