Restore larastan/larastan

Author: stefanzweifel

composer.json

@@ -23,6 +23,7 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.2",
+        "larastan/larastan": "^2.9",
         "laravel/browser-kit-testing": "^7.1 | ^8.0",
         "laravel/dusk": "^8.0",
         "livewire/livewire": "^3.0",