chore(deps): update dependency phpstan/phpstan to ^2.1.1 (#59)

Author: hywax-assistant

composer.json

@@ -23,7 +23,7 @@
     "guzzlehttp/guzzle": "^7.9.2"
   },
   "require-dev": {
-    "phpstan/phpstan": "^2.1.0",
+    "phpstan/phpstan": "^2.1.1",
     "squizlabs/php_codesniffer": "^3.11.2"
   },
   "autoload": {