Laravel 9 support

Author: Andrey Helldar

composer.json

@@ -25,7 +25,7 @@
     },
     "require": {
         "php": "^7.3 || ^8.0",
-        "dragon-code/contracts": "^2.9",
+        "dragon-code/contracts": "^2.15",
         "illuminate/console": "^6.0 || ^7.0 || ^8.0 || ^9.0",
         "illuminate/database": "^6.0 || ^7.0 || ^8.0 || ^9.0",
         "illuminate/support": "^6.0 || ^7.0 || ^8.0 || ^9.0",