Your requirements could not be resolved to an installable set of packages. Problem 1 - pestphp/pest[v1.23.1, ..., 1.x-dev] require phpunit/phpunit ^9.6.10 -> satisfiable by phpunit/phpunit[9.6.10, ..., 9.6.x-dev]. - pestphp/pest v1.23.0 requires phpunit/phpunit ^9.6.7 -> satisfiable by phpunit/phpunit[9.6.7, ..., 9.6.x-dev]. - pestphp/pest v1.22.6 requires phpunit/phpunit ^9.6.5 -> satisfiable by phpunit/phpunit[9.6.5, ..., 9.6.x-dev]. - pestphp/pest v1.22.5 requires phpunit/phpunit ^9.6.4 -> satisfiable by phpunit/phpunit[9.6.4, ..., 9.6.x-dev]. - pestphp/pest v1.22.4 requires phpunit/phpunit ^9.6.0 -> satisfiable by phpunit/phpunit[9.6.0, ..., 9.6.x-dev]. - pestphp/pest[v1.22.2, ..., v1.22.3] require phpunit/phpunit ^9.5.26 -> satisfiable by phpunit/phpunit[9.5.26, ..., 9.6.x-dev]. - pestphp/pest[v1.13.0, ..., v1.22.1] require phpunit/phpunit ^9.5.5 -> satisfiable by phpunit/phpunit[9.5.5, ..., 9.6.x-dev]. - pestphp/pest v1.12.0 requires phpunit/phpunit ^9.3.7 -> satisfiable by phpunit/phpunit[9.3.7, ..., 9.6.x-dev]. - pestphp/pest[v1.7.1, ..., v1.11.0] require phpunit/phpunit >= 9.3.7 <= 9.5.6 -> satisfiable by phpunit/phpunit[9.3.7, ..., 9.5.6]. - pestphp/pest[v1.3.1, ..., v1.7.0] require phpunit/phpunit >= 9.3.7 <= 9.5.5 -> satisfiable by phpunit/phpunit[9.3.7, ..., 9.5.5]. - pestphp/pest[v1.1.0, ..., v1.3.0] require phpunit/phpunit >= 9.3.7 <= 9.5.4 -> satisfiable by phpunit/phpunit[9.3.7, ..., 9.5.4]. - orchestra/testbench-core 9.x-dev conflicts with phpunit/phpunit <10.5.0 || 11.0.0 || >=11.1.0. - orchestra/testbench 9.x-dev requires orchestra/testbench-core ^9.0 -> satisfiable by orchestra/testbench-core[9.x-dev]. - Root composer.json requires orchestra/testbench 9.* -> satisfiable by orchestra/testbench[9.x-dev]. - Root composer.json requires pestphp/pest ^1.1 -> satisfiable by pestphp/pest[v1.1.0, ..., 1.x-dev].

Process completed with exit code 2.

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v2. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.