update require to php >=8.2 (#25)

Author: 3qdev

composer.json

@@ -15,7 +15,7 @@
         }
     ],
     "require": {
-        "php": "^8.1.0",
+        "php": "^8.2.0",
         "nyholm/psr7": "^1.8.2",
         "openai-php/client": "^0.12.0",
         "psr/http-client": "^1.0.3",