chore: bump to PHP 8.4 for backends

Author: nguyenvietyen

composer.json

@@ -17,7 +17,7 @@
         }
     ],
     "require": {
-        "php": "^8.2",
+        "php": "^8.4",
         "composer-plugin-api": "^2.1",
         "larastan/larastan": "^3.5",
         "phpstan/phpstan": "^2.1",