chore(deps): update ad-m/github-push-action action to v1.2.0

Author: renovate[bot]

.github/workflows/changelog.yml

@@ -92,7 +92,7 @@ jobs:
           command git commit --verbose --message='update changelog' ||
             exit 0
       - name: Push changes
-        uses: ad-m/github-push-action@v1.0.0
+        uses: ad-m/github-push-action@v1.2.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN || secrets.PAT }}
           branch: ${{ github.ref }}