Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpunit/phpunit ^12.0-dev -> satisfiable by phpunit/phpunit[12.0.x-dev (alias of dev-main)]. - phpunit/phpunit dev-main requires sebastian/type ^5.1.0 -> satisfiable by sebastian/type[dev-main, 5.1.0, 5.1.x-dev (alias of dev-main)] from composer repo (https://repo.packagist.org) but sebastian/type 6.0.x-dev is the root package and cannot be modified. See https://getcomposer.org/dep-on-root for details and assistance. - phpunit/phpunit 12.0.x-dev is an alias of phpunit/phpunit dev-main and thus requires it to be installed too.

Process completed with exit code 2.