Extend compatibility to PHP 8.0

Author: CodeWithKyrian

composer.json

@@ -4,7 +4,7 @@
   "type": "library",
   "license": "MIT",
   "require": {
-    "php": "^8.1",
+    "php": "^8.0",
     "guzzlehttp/guzzle": "^7.0"
   },
   "require-dev": {