Update workflows

.github/workflows/lint.yml

@@ -1,22 +1,19 @@
 name: Lint
 
-on: [pull_request]
+on: [push, pull_request]
 
 jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-
-      - name: Set up Python 3.9
-        uses: actions/setup-python@v2
+      - uses: actions/checkout@v3
+      - name: Set up Python
+        uses: actions/setup-python@v4
         with:
-          python-version: 3.9
-
+          python-version: '3.9'
       - name: Install pre-commit hook
         run: |
           python -m pip install pre-commit
           pre-commit install
-
       - name: Linting
         run: pre-commit run --all-files