Merge pull request #9 from brainbits/renovate/actions-checkout-4.x

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

Author: temp

.github/workflows/build.yml

@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v4"
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@v2"