Bump minimum PHP version to 8.2

Author: evansims

composer.json

@@ -17,7 +17,7 @@
     ],
     "homepage": "https://github.com/psr-discovery/http-client-implementations",
     "require": {
-        "php": "^8.1",
+        "php": "^8.2",
         "psr/http-client": "^1.0",
         "psr-discovery/discovery": "^1.0"
     },