Update ci workflows (#1804)

.github/workflows/lint.yml

@@ -8,10 +8,10 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - name: Set up Python 3.9
-        uses: actions/setup-python@v2
+      - name: Set up Python
+        uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: '3.9'
 
       - name: Install pre-commit hook
         run: |