add constraint to allow Laravel 11 (#42)

Author: okaufmann

composer.json

@@ -20,7 +20,7 @@
     "license": "MIT",
     "require": {
         "php": "^8.0",
-        "laravel/framework": "^8.0|^9.0|^10.0",
+        "laravel/framework": "^8.0|^9.0|^10.0|^11.0",
         "laravel/nova": "^4.0"
     },
     "autoload": {