Update rector/rector requirement from ^0.15.7 to ^0.18.2

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@0.15.7...0.18.2)

---
updated-dependencies:
- dependency-name: rector/rector
  dependency-type: direct:production
...

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

composer.json

@@ -17,7 +17,7 @@
   "require": {
     "php": "^8.1",
     "laminas/laminas-zendframework-bridge": "^1.4",
-    "rector/rector": "^0.15.7",
+    "rector/rector": "^0.18.2",
     "sulu/sulu": "2.5.*",
     "sulu/sulu-rector": "^0.1.3",
     "symfony/config": "^4.4 || ^5.0 || ^6.0",