Update dependency rector/rector to ^0.15.22 (#336)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

composer.json

@@ -32,7 +32,7 @@
     "phpstan/phpstan-phpunit": "^1.3.10",
     "phpstan/phpstan-strict-rules": "^1.5.0",
     "phpunit/phpunit": "^9.6.5",
-    "rector/rector": "^0.15.21"
+    "rector/rector": "^0.15.22"
   },
   "config": {
     "bin-dir": "bin",