Update Python version in format-check workflow

Author: congminh1254

.github/workflows/format-check.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.8"
+          python-version: "3.11"
 
       - name: Install Tox
         run: pip install tox