Added support for illuminate/support version 9

Author: ramonrietdijk

composer.json

@@ -18,7 +18,7 @@
     "require": {
         "php": "^7.3|^8.0",
         "guzzlehttp/guzzle": "^6.0|^7.0",
-        "illuminate/support": "^7.0|^8.0"
+        "illuminate/support": "^7.0|^8.0|^9.0"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.16",