Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpunit/phpunit 8.4.* -> satisfiable by phpunit/phpunit[8.4.0, 8.4.1, 8.4.2, 8.4.3]. - phpunit/phpunit[8.4.0, ..., 8.4.3] require php ^7.2 -> your php version (8.0.30) does not satisfy that requirement. Problem 2 - orchestra/testbench[v6.13.0, ..., v6.21.1] require phpunit/phpunit ^8.4 || ^9.3.3 -> satisfiable by phpunit/phpunit[8.4.0, 8.4.1, 8.4.2, 8.4.3]. - orchestra/testbench[v6.10.0, ..., v6.12.1] require phpunit/phpunit ^8.4 || ^9.3 -> satisfiable by phpunit/phpunit[8.4.0, 8.4.1, 8.4.2, 8.4.3]. - orchestra/testbench[v6.0.0, ..., v6.9.0] require phpunit/phpunit ^8.4 || ^9.0 -> satisfiable by phpunit/phpunit[8.4.0, 8.4.1, 8.4.2, 8.4.3]. - phpunit/phpunit[8.4.0, ..., 8.4.3] require php ^7.2 -> your php version (8.0.30) does not satisfy that requirement. - orchestra/testbench[v6.22.0, ..., v6.43.3] require phpunit/phpunit ^8.5.21 || ^9.5.10 -> found phpunit/phpunit[8.5.21, ..., 8.5.38, 9.5.10, ..., 9.6.19] but it conflicts with your root composer.json require (8.4.*). - Root composer.json requires orchestra/testbench 6.* -> satisfiable by orchestra/testbench[v6.0.0, ..., v6.43.3].

Process completed with exit code 2.

The job was canceled because "ubuntu-latest_8_8___pre_2" failed.

The operation was canceled.

The job was canceled because "ubuntu-latest_8_8___pre_2" failed.

The operation was canceled.

The job was canceled because "ubuntu-latest_8_8___pre_2" failed.

The operation was canceled.

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/.