Your requirements could not be resolved to an installable set of packages. Problem 1 - vimeo/psalm[4.8.1, ..., 4.30.0] require sebastian/diff ^3.0 || ^4.0 -> satisfiable by sebastian/diff[3.0.0, ..., 3.0.6, 4.0.0, ..., 4.0.6]. - You can only install one version of a package, so only one of these can be installed: sebastian/diff[3.0.0, ..., 3.0.6, 4.0.0, ..., 4.0.6, 5.0.0, ..., 5.1.1, 6.0.0, 6.0.1, 6.0.2]. - phpunit/phpunit 11.2.6 requires sebastian/diff ^6.0 -> satisfiable by sebastian/diff[6.0.0, 6.0.1, 6.0.2]. - Root composer.json requires phpunit/phpunit ^11.2.6 -> satisfiable by phpunit/phpunit[11.2.6]. - Root composer.json requires vimeo/psalm ^4.8.1 -> satisfiable by vimeo/psalm[4.8.1, ..., 4.30.0]. 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 4.

Process completed with exit code 2.

The job was canceled because "lowest_8_0_ubuntu-latest" failed.

Your requirements could not be resolved to an installable set of packages. Problem 1 - vimeo/psalm[4.8.1, ..., 4.30.0] require sebastian/diff ^3.0 || ^4.0 -> satisfiable by sebastian/diff[3.0.0, ..., 3.0.6, 4.0.0, ..., 4.0.6]. - You can only install one version of a package, so only one of these can be installed: sebastian/diff[3.0.2, ..., 3.0.6, 4.0.0, ..., 4.0.6, 5.0.0, ..., 5.1.1, 6.0.0, 6.0.1, 6.0.2]. - phpunit/phpunit 11.2.6 requires sebastian/diff ^6.0 -> satisfiable by sebastian/diff[6.0.0, 6.0.1, 6.0.2]. - Root composer.json requires phpunit/phpunit ^11.2.6 -> satisfiable by phpunit/phpunit[11.2.6]. - Root composer.json requires vimeo/psalm ^4.8.1 -> satisfiable by vimeo/psalm[4.8.1, ..., 4.30.0]. 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/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/.