laravel 11 support

Author: 0xb4lint

composer.json

@@ -19,7 +19,7 @@
     ],
     "require": {
         "php": "^8.1",
-        "illuminate/support": "^8|^9|^10",
+        "illuminate/support": "^8|^9|^10|^11",
         "deviddev/billingo-api-v3-php-sdk": "^0.2.6"
     },
     "require-dev": {