Merge pull request #457 from chimeraphp/renovate/actions-checkout-4.x

Update actions/checkout action to v4

Author: lcobucci

.github/workflows/tests.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Docker Buildx
         uses: docker/[email protected]