Add support for PHP 8.4 and Magento 2.4.8

Author: annv99

composer.json

@@ -13,7 +13,7 @@
         "magento/framework": "~102.0||~103.0",
         "magento/module-catalog": "~103.0||~104.0",
         "magento/module-customer": "~102.0||~103.0",
-        "php": "~7.3.0||~7.4.0||~8.1.0||~8.2.0||~8.3.0"
+        "php": "~7.3.0||~7.4.0||~8.1.0||~8.2.0||~8.3.0||~8.4.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~6.5||~9.5.0",