auto commit changes

Author: Sung Won Chung

.github/workflows/formatter.yml

@@ -16,11 +16,7 @@ jobs:
         id: ruff_formatter
         with:
           args: format
-      - name: Annotate diff changes using reviewdog
-        if: steps.ruff_formatter.outputs.is_formatted == 'true'
-        uses: reviewdog/action-suggester@v1
+      - name: Auto commit ruff formatting
+        uses: stefanzweifel/git-auto-commit-action@v5
         with:
-          tool_name: blackfmt
-      - name: Fail if there are formatting suggestions
-        if: steps.ruff_formatter.outputs.is_formatted == 'true'
-        run: exit 1
+          commit_message: 'style fixes by ruff'