Merge pull request #3 from pascalre/renovate/actions-setup-python-4.x

Update actions/setup-python action to v4

Author: pascalre

.github/workflows/action.yaml

@@ -9,7 +9,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: 3.6.9
       - name: Install dependencies