Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires wyrihaximus/react-phpunit-run-tests-in-fiber ^2.0.0 -> satisfiable by wyrihaximus/react-phpunit-run-tests-in-fiber[2.0.0]. - wyrihaximus/react-phpunit-run-tests-in-fiber 2.0.0 requires phpunit/phpunit ^10.5 -> found phpunit/phpunit[10.5.0, ..., 10.5.21] but it conflicts with your root composer.json require (^11.2.2). Problem 2 - Root composer.json requires wyrihaximus/test-utilities ^6.0.8 -> satisfiable by wyrihaximus/test-utilities[6.0.8]. - wyrihaximus/test-utilities 6.0.8 requires phpunit/phpunit ^10.5.20 -> found phpunit/phpunit[10.5.20, 10.5.21] but it conflicts with your root composer.json require (^11.2.2). Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.

Process completed with exit code 2.

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