Update composer.json

Author: maukoese

composer.json

@@ -17,7 +17,7 @@
     "homepage": "https://github.com/sparors/laravel-ussd",
     "keywords": ["Laravel", "Ussd"],
     "require": {
-        "php": "^8.0",
+        "php": "^8.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.6",