Update rector/rector requirement from ^1 to ^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@1.0.0...2.0.5)

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

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

composer.json

@@ -11,7 +11,7 @@
   ],
   "require": {
     "php": "^7.4 | ^8",
-    "rector/rector": "^1"
+    "rector/rector": "^2"
   },
   "require-dev": {
     "phpunit/phpunit": "^9.5"