Update composer.json

Author: bryanadamloh97

composer.json

@@ -30,7 +30,7 @@
         "psr/http-message": "^1.0"
     },
     "require-dev": {
-        "illuminate/routing": "^5.1 || ^6.0 || ^7.0",
+        "illuminate/routing": "^5.1 || ^6.0 || ^7.0 || ^8.0",
         "phpunit/phpunit": "^8.2"
     },
     "autoload": {