Your requirements could not be resolved to an installable set of packages. Problem 1 - ergebnis/phpstan-rules[2.0.0, ..., 2.1.0] require nikic/php-parser ^4.2.3 -> satisfiable by nikic/php-parser[v4.2.3, ..., v4.18.0]. - You can only install one version of a package, so only one of these can be installed: nikic/php-parser[v4.2.3, ..., v4.18.0, v5.0.0]. - phpunit/php-code-coverage 11.0.0 requires nikic/php-parser ^5.0 -> satisfiable by nikic/php-parser[v5.0.0]. - phpunit/phpunit 11.0.0 requires phpunit/php-code-coverage ^11.0 -> satisfiable by phpunit/php-code-coverage[11.0.0]. - Root composer.json requires phpunit/phpunit ^11.0 -> satisfiable by phpunit/phpunit[11.0.0]. - Root composer.json requires ergebnis/phpstan-rules ^2.0 -> satisfiable by ergebnis/phpstan-rules[2.0.0, 2.1.0].

Process completed with exit code 2.

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