fix: checkout@v3 -> checkout@v4

Error: Can't use 'tar -xzf' extract archive file
actions/runner#1923

Author: smeghead

.github/workflows/php.yml

@@ -15,7 +15,7 @@ jobs:
         php-versions: ['8.0', '8.1', '8.2']
     name: PHP ${{ matrix.php-versions }} Test
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Install PHP
       uses: shivammathur/setup-php@v2