Update composer.json for Laravel 12

Author: marvinrabe

composer.json

@@ -23,7 +23,7 @@
         "php": "^8.1",
         "filament/forms": "^3.0",
         "spatie/laravel-package-tools": "^1.15.0",
-        "illuminate/contracts": "^10.0|^11.0"
+        "illuminate/contracts": "^10.0|^11.0|^12.0"
     },
     "require-dev": {
         "laravel/pint": "^1.0",
@@ -64,4 +64,4 @@
     },
     "minimum-stability": "dev",
     "prefer-stable": true
-}
+}