Update rector/rector requirement from 2.4.1 to 2.4.2 (#232)

Updates the requirements on [rector/rector](https://github.com/rectorphp/rector) to permit the latest version.
- [Release notes](https://github.com/rectorphp/rector/releases)
- [Commits](rectorphp/rector@2.4.1...2.4.2)

---
updated-dependencies:
- dependency-name: rector/rector
  dependency-version: 2.4.2
  dependency-type: direct:development
...

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Author: dependabot[bot]

composer.json

@@ -38,7 +38,7 @@
         "phpstan/extension-installer": "1.4.3",
         "jangregor/phpstan-prophecy": "2.3.0",
         "phpspec/prophecy": "^1.17",
-        "rector/rector": "2.4.1",
+        "rector/rector": "2.4.2",
         "phpspec/prophecy-phpunit": "^2.0",
         "symfony/monolog-bundle": "*",
         "phpstan/phpstan-symfony": "2.0.15"