Update composer.json to set a maximum version of php

Author: Gautier Masdupuy

composer.json

@@ -24,7 +24,7 @@
     }
   },
   "require": {
-    "php": ">=7.1",
+    "php": ">=7.1 <8.2",
     "psr/http-client": "^1.0",
     "psr/http-message": "^1.0",
     "php-http/httplug": "^1.1 || ^2.0",