Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpstan/phpstan ^1.10 -> satisfiable by phpstan/phpstan[1.10.0, ..., 1.11.6]. - phpstan/phpstan[1.10.0, ..., 1.11.6] require php ^7.2|^8.0 -> your php version (7.1.33) does not satisfy that requirement.

Process completed with exit code 2.

Process completed with exit code 1.

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v2, actions/cache@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.