Remove currently unused dev requirement

Author: marijnvanwezel

composer.json

@@ -57,7 +57,6 @@
     "infection/infection": "^0.25.5",
     "friendsofphp/php-cs-fixer": "^3.0",
     "rregeer/phpunit-coverage-check": "^0.3.1",
-    "stefanak-michal/bolt": "^4.1",
     "phpstan/phpstan": "^1.8"
   },
   "autoload": {