Update rector/rector requirement from ^0.17.12 to ^0.18.3 (#93)

Author: dependabot[bot]

composer.json

@@ -41,7 +41,7 @@
         "httpsoft/http-message": "^1.0.9",
         "maglnet/composer-require-checker": "^4.4",
         "phpunit/phpunit": "^9.5",
-        "rector/rector": "^0.17.12",
+        "rector/rector": "^0.18.3",
         "roave/infection-static-analysis-plugin": "^1.16",
         "spatie/phpunit-watcher": "^1.23",
         "vimeo/psalm": "^4.30|^5.6",