Update rector/rector requirement from ^1.0 to ^2.0 (#97)

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...2.0.3)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

composer.json

@@ -33,7 +33,7 @@
         "phpspec/prophecy-phpunit": "^2.0",
         "phpunit/phpunit": "^10.5",
         "psalm/plugin-phpunit": "0.19.0",
-        "rector/rector": "^1.0",
+        "rector/rector": "^2.0",
         "roave/infection-static-analysis-plugin": "^1.34",
         "vimeo/psalm": "5.26.1"
     },