Add laravel 12 support (#48)

Author: cybersai

composer.json

@@ -18,11 +18,11 @@
     "keywords": ["Laravel", "Ussd"],
     "require": {
         "php": "^8.0",
-        "illuminate/support": "~8|~9|~10|~11"
+        "illuminate/support": "~8|~9|~10|~11|~12"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.6",
-        "orchestra/testbench": "~6|~7|~8|~9",
+        "orchestra/testbench": "~6|~7|~8|~9|~10",
         "friendsofphp/php-cs-fixer": "^3.41"
     },
     "autoload": {