Include larastan (#2755)

* Include larastan

Author: drbyte

composer.json

@@ -29,6 +29,7 @@
         "illuminate/database": "^8.12|^9.0|^10.0|^11.0"
     },
     "require-dev": {
+        "larastan/larastan": "^1.0|^2.0",
         "laravel/passport": "^11.0|^12.0",
         "orchestra/testbench": "^6.23|^7.0|^8.0|^9.0",
         "phpunit/phpunit": "^9.4|^10.1"