Update dependency rector/rector to ^2.1.1

Author: renovate[bot]

composer.json

@@ -21,7 +21,7 @@
  "php-parallel-lint/php-parallel-lint": "^1.4.0",
  "phpstan/phpstan": "^2.1.17",
  "phpunit/phpunit": "^12.2.2",
- "rector/rector": "^2.1.0",
+ "rector/rector": "^2.1.1",
  "roave/backward-compatibility-check": "^8.14.0",
  "squizlabs/php_codesniffer": "^3.13.2",
  "wyrihaximus/coding-standard": "^2.20.2",