chore: set minimum laravel/nova to 5.0.3+ (#5)

Author: crynobone

composer.json

@@ -21,7 +21,7 @@
         "spatie/laravel-ray": "^1.37"
     },
     "conflict": {
-        "laravel/nova": "<5.0.0 || >=6.0.0"
+        "laravel/nova": "<5.0.3 || >=6.0.0"
     },
     "autoload": {
         "psr-4": {