Your requirements could not be resolved to an installable set of packages.
Problem 1
- pestphp/pest-plugin-laravel[v1.0.0, ..., v1.1.0] require laravel/framework ^7.0 || ^8.0 -> found laravel/framework[v7.0.0, ..., 7.x-dev, v8.0.0, ..., 8.x-dev] but it conflicts with your root composer.json require (^9.0).
- pestphp/pest-plugin-laravel v1.2.0 requires pestphp/pest ^1.7 -> found pestphp/pest[v1.7.0, ..., 1.x-dev] but it conflicts with your root composer.json require (^2.6.1).
- pestphp/pest-plugin-laravel[v1.3.0, ..., 1.x-dev] require pestphp/pest ^1.22.1 -> found pestphp/pest[v1.22.1, ..., 1.x-dev] but it conflicts with your root composer.json require (^2.6.1).
- Root composer.json requires pestphp/pest-plugin-laravel ^1.0 -> satisfiable by pestphp/pest-plugin-laravel[v1.0.0, ..., 1.x-dev].
Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.