Merge pull request #43 from redhat-cop/dependabot/github_actions/actions/checkout-4

Bump actions/checkout from 3 to 4

Author: garethahealy

.github/workflows/validate.yaml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Run ShellCheck
         uses: ludeeus/[email protected]