Use newer pytjon for linting.

Author: shyuep

.github/workflows/lint.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.9"
+          python-version: "3.11"
 
       - name: Install dependencies
         run: |