ci: Use GitHub Actions V4 (#1700)

Author: erikn69

.github/workflows/run-integration-tests.yml

@@ -26,7 +26,7 @@ jobs:
         name: P${{ matrix.php }} - Lumen${{ matrix.lumen }}
         steps:
             - name: Checkout code
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
               with:
                   path: src
 
@@ -79,7 +79,7 @@ jobs:
         name: P${{ matrix.php }} - Laravel${{ matrix.laravel }}
         steps:
             - name: Checkout code
-              uses: actions/checkout@v3
+              uses: actions/checkout@v4
               with:
                   path: src
 

.github/workflows/run-tests.yml

@@ -35,7 +35,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2