Your requirements could not be resolved to an installable set of packages. Problem 1 - phpunit/phpunit[5.0.0, ..., 5.2.7] require php >=5.6 -> your php version (5.4.45) does not satisfy that requirement. - phpunit/phpunit[5.2.8, ..., 5.7.27] require php ^5.6 || ^7.0 -> your php version (5.4.45) does not satisfy that requirement. - Root composer.json requires phpunit/phpunit ^5 -> satisfiable by phpunit/phpunit[5.0.0, ..., 5.7.27].

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, actions/cache@v2. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/cache@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/