Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires php ^7.3 || ^8.0 but your php version (7.1.33) does not satisfy that requirement. Problem 2 - phpunit/phpunit[9.5.0, ..., 9.6.13] require php >=7.3 -> your php version (7.1.33) does not satisfy that requirement. - Root composer.json requires phpunit/phpunit ^9.5 -> satisfiable by phpunit/phpunit[9.5.0, ..., 9.6.13].

Process completed with exit code 2.

The following actions uses node12 which is deprecated and will be forced to run on node16: 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/