Update rector/rector requirement from 2.0.17 to 2.0.18 (#29)

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@2.0.17...2.0.18)

---
updated-dependencies:
- dependency-name: rector/rector
  dependency-version: 2.0.18
  dependency-type: direct:development
...

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Author: dependabot[bot]

composer.json

@@ -44,7 +44,7 @@
         "phpstan/phpstan-phpunit": "2.0.6",
         "phpunit/phpunit": "^10 || ^11 || ^12",
         "psalm/plugin-phpunit": "0.19.3",
-        "rector/rector": "2.0.17",
+        "rector/rector": "2.0.18",
         "shipmonk/composer-dependency-analyser": "^1.8",
         "symfony/phpunit-bridge": "^6.4 || ^7.0",
         "symfony/process": "^6.4 || ^7.0",