Update minimum required version in composer.json from 7.4 to 8.2

Author: token-cjg

composer.json

@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "homepage": "https://github.com/zendesk/zendesk_api_client_php",
   "require": {
-    "php": ">=7.4.0",
+    "php": ">=8.2.0",
     "guzzlehttp/guzzle": "^6.0 || ^7.0",
     "guzzlehttp/psr7": "^1.7 || ^2.0",
     "mmucklo/inflect": "0.3.*"