Your requirements could not be resolved to an installable set of packages. Problem 1 - phpunit/phpunit[9.3.0, ..., 9.3.8] require php ^7.3 || ^8.0 -> your php version (7.2.34) does not satisfy that requirement. - phpunit/phpunit[9.3.9, ..., 9.6.19] require php >=7.3 -> your php version (7.2.34) does not satisfy that requirement. - phpunit/phpunit[10.1.0, ..., 10.5.20] require php >=8.1 -> your php version (7.2.34) does not satisfy that requirement. - Root composer.json requires phpunit/phpunit ^9.3 || ^10.1 -> satisfiable by phpunit/phpunit[9.3.0, ..., 9.6.19, 10.1.0, ..., 10.5.20].

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/.