Your requirements could not be resolved to an installable set of packages.
Problem 1
- Root composer.json requires pestphp/pest ^3.2.4 -> satisfiable by pestphp/pest[v3.2.4, v3.2.5, 3.x-dev].
- pestphp/pest[v3.2.4, ..., 3.x-dev] require pestphp/pest-plugin-arch ^3.0.0 -> satisfiable by pestphp/pest-plugin-arch[v3.0.0, 3.x-dev] from composer repo (https://repo.packagist.org) but pestphp/pest-plugin-arch is the root package and cannot be modified. See https://getcomposer.org/dep-on-root for details and assistance.