update php.yml

Author: Takeshi Yu

.github/workflows/php.yml

@@ -15,9 +15,9 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-versions: ['7.4', '8.0', '8.1', '8.2']
+        php-versions: ['8.1', '8.2', '8.3', '8.4']
     name: PHP ${{ matrix.php-versions }} Test
-    
+
     steps:
     - uses: actions/checkout@v4