composer require phpstan/phpstan-deprecation-rules --dev -W

Author: fadrian06

composer.json

@@ -57,8 +57,10 @@
         "guzzlehttp/guzzle": "^7.9",
         "phpstan/extension-installer": "^1.4",
         "phpstan/phpstan": "^2.1",
+        "phpstan/phpstan-deprecation-rules": "^2.0",
         "phpunit/phpunit": "^11.5",
-        "rector/rector": "^2.0"
+        "rector/rector": "^2.0",
+        "symfony/var-dumper": "^7.2"
     },
     "autoload-dev": {
         "psr-4": {