Update composer.json (#31)

Author: saqueib

composer.json

@@ -18,7 +18,7 @@
     }
   ],
   "require": {
-    "php": "^7.3|^8.0",
+    "php": "^7.3|^8.0|^8.1",
     "laravel/framework": "^6.0|^7.0|^8.0|^9.0|^10.0"
   },
   "require-dev": {