Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires nexusphp/tachycardia ^2.3 -> satisfiable by nexusphp/tachycardia[v2.3.0, 2.x-dev]. - nexusphp/tachycardia[v2.3.0, ..., 2.x-dev] require phpunit/phpunit ^10.5 || ^11.0 -> found phpunit/phpunit[dev-main, 10.5.0, ..., 10.5.x-dev, 11.0.0, ..., 11.3.x-dev (alias of dev-main)] but it conflicts with your root composer.json require (^9.1).

Process completed with exit code 2.

The following actions uses Node.js version which is deprecated and will be forced to run on node20: actions/cache@v3. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/