feat: update actions/checkout to v3 (#23)

Co-authored-by: Ihor Sviziev <[email protected]>

Author: damienwebdev

.github/workflows/integration.yaml

@@ -83,7 +83,7 @@ jobs:
         ports:
           - 5672:5672
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set PHP Version
       uses: shivammathur/setup-php@v2
       with: