Do not print root type references when not used by schema

Author: Václav Pelíšek

composer.json

@@ -18,7 +18,7 @@
   },
   "require-dev": {
     "phpunit/phpunit": "^9.5",
-    "infection/infection": "^0.26",
+    "infection/infection": "^0.27",
     "phpstan/phpstan": "^1.10",
     "infinityloop-dev/coding-standard": "^0.2"
   },