Bump rector/rector from 1.0.3 to 1.2.0 in /tools (#632)

Bumps [rector/rector](https://github.com/rectorphp/rector) from 1.0.3 to 1.2.0.
- [Release notes](https://github.com/rectorphp/rector/releases)
- [Commits](rectorphp/rector@1.0.3...1.2.0)

---
updated-dependencies:
- dependency-name: rector/rector
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

tools/composer.json

@@ -7,7 +7,7 @@
   "require-dev": {
     "friendsofphp/php-cs-fixer": "^3.1",
     "phpunit/phpunit": "^9.4",
-    "rector/rector": "1.0.3",
+    "rector/rector": "1.2.0",
     "vimeo/psalm": "^4.26",
     "phpstan/phpstan": "^1.7"
   }