Your requirements could not be resolved to an installable set of packages. Problem 1 - phpunit/phpunit[11.3.0, ..., 11.3.3] require sebastian/code-unit ^3.0.1 -> satisfiable by sebastian/code-unit[dev-main, 3.0.1, 3.0.x-dev (alias of dev-main)] from composer repo (https://repo.packagist.org) but sebastian/code-unit is the root package and cannot be modified. See https://getcomposer.org/dep-on-root for details and assistance. - Root composer.json requires phpunit/phpunit ^11.3 -> satisfiable by phpunit/phpunit[11.3.0, 11.3.1, 11.3.2, 11.3.3].

Process completed with exit code 2.