Merge pull request #8 from SwiftFiddle/renovate/actions-checkout-4.x

Update actions/checkout action to v4

Author: kishikawakatsumi

.github/workflows/swiftfiddle-runner-functions-601-AutoDeployTrigger-1a0c2325-9966-4428-b21c-d73b8127b56e.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout to the branch
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Azure Login
         uses: azure/login@v2