[dev] Set min. version Rector to 2.3

Author: jerowork

composer.json

@@ -26,7 +26,7 @@
         "friendsofphp/php-cs-fixer": "^3.66",
         "phpstan/phpstan": "^2.1",
         "phpunit/phpunit": "^11.5 || ^12.0",
-        "rector/rector": "^2.0",
+        "rector/rector": "^2.3",
         "rregeer/phpunit-coverage-check": "^0.3",
         "scrutinizer/ocular": "^1.9",
         "shipmonk/composer-dependency-analyser": "^1.8"