Update core dependency (#703)

Author: mooxbot

composer.json

@@ -17,7 +17,7 @@
         }
     ],
     "require": {
-        "moox/core": "*",
+        "moox/core": "^2.1.0",
         "spatie/laravel-activitylog": "^4.0"
     },
     "autoload": {
@@ -34,4 +34,4 @@
     },
     "minimum-stability": "stable",
     "prefer-stable": true
-}
+}