Bump actions/checkout from 6 to 7 (#424)

https://github.com/actions/checkout/releases/tag/v7.0.0

Author: spaze

.github/workflows/e2e.yml

@@ -32,7 +32,7 @@ jobs:
         exit 1
 
     - name: Checkout ${{ matrix.repo }}
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
       with:
           repository: '${{ matrix.repo }}'
 

.github/workflows/php.yml

@@ -48,7 +48,7 @@ jobs:
             run: composer lint-8.2
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
     - name: OS info
       run: cat /etc/os-release
@@ -92,7 +92,7 @@ jobs:
           - "--prefer-lowest"
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: "Install PHP"
         uses: shivammathur/setup-php@v2
@@ -132,7 +132,7 @@ jobs:
           - "--prefer-lowest"
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: "Install PHP"
         uses: shivammathur/setup-php@v2