Merge pull request #4 from 6jarjar6/renovate/actions-checkout-4.x

Update actions/checkout action to v4

.github/workflows/update.yml

@@ -9,7 +9,7 @@ jobs:
     steps:
 
       - name: checkout repo content
-        uses: actions/checkout@v3 # checkout the repository content to github runner
+        uses: actions/checkout@v4 # checkout the repository content to github runner
 
       - name: setup python
         uses: actions/setup-python@v5