Merge pull request #7080 from codeigniter4/dependabot/composer/rector/rector-0.15.4

chore(deps-dev): update rector/rector requirement from 0.15.3 to 0.15.4

Author: samsonasik

composer.json

@@ -25,7 +25,7 @@
         "phpunit/phpcov": "^8.2",
         "phpunit/phpunit": "^9.1",
         "predis/predis": "^1.1 || ^2.0",
-        "rector/rector": "0.15.3",
+        "rector/rector": "0.15.4",
         "vimeo/psalm": "^5.0"
     },
     "suggest": {