Update dependency rector/rector to v2

Author: fewohbee-renovate[bot]

composer.json

@@ -48,7 +48,7 @@
     "require-dev": {
         "league/flysystem-memory": "^3",
         "phpunit/phpunit": "^12.4",
-        "rector/rector": "^0.15.0",
+        "rector/rector": "^2.0.0",
         "symfony/browser-kit": "8.0.*",
         "symfony/css-selector": "8.0.*",
         "symfony/debug-bundle": "8.0.*",