Another attempt to fix formatting workflow (#11187)

.github/workflows/format.yaml

@@ -29,6 +29,7 @@ jobs:
     - name: Commit files
       uses: stefanzweifel/git-auto-commit-action@v4
       with:
-        commit_message: "Format code according to conventions for ${GITHUB_SHA}"
+        commit_message: Format code according to conventions for $GITHUB_SHA
         commit_user_name: QMK Bot
         commit_user_email: hello@qmk.fm
+        commit_author: QMK Bot <hello@qmk.fm>