chore(deps-dev): update rector/rector requirement

Updates the requirements on [rector/rector](https://github.com/rectorphp/rector) to permit the latest version.

Updates `rector/rector` to 2.4.0
- [Release notes](https://github.com/rectorphp/rector/releases)
- [Commits](rectorphp/rector@2.3.9...2.4.0)

---
updated-dependencies:
- dependency-name: rector/rector
  dependency-version: 2.4.0
  dependency-type: direct:development
  dependency-group: composer-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

composer.json

@@ -28,7 +28,7 @@
         "phpunit/phpcov": "^9.0.2 || ^10.0",
         "phpunit/phpunit": "^10.5.16 || ^11.2",
         "predis/predis": "^3.0",
-        "rector/rector": "2.3.9",
+        "rector/rector": "2.4.0",
         "shipmonk/phpstan-baseline-per-identifier": "^2.0"
     },
     "replace": {