Update composer.json

Author: colinhall17

composer.json

@@ -15,7 +15,7 @@
         }
     ],
     "require": {
-        "php": "^7.3|^8.0",
+        "php": "^7.3|^8.0|^8.1",
         "nesbot/carbon": "^1.26.3 || ^2.0",
         "guzzlehttp/guzzle": "~7.0|~6.0|~5.0|~4.0",
         "firebase/php-jwt": "^5.0",