Merge pull request #18 from ddev/renovate/actions-checkout-4.x

chore(deps): update actions/checkout action to v4

Author: seebeen

.github/workflows/reusable_test_ddev_addon.yml

@@ -45,7 +45,7 @@ jobs:
       fail-fast: false
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Homebrew
         id: set-up-homebrew
         uses: Homebrew/actions/setup-homebrew@master