Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires silverstripe/installer 6.x-dev -> satisfiable by silverstripe/installer[6.x-dev]. - silverstripe/errorpage 3.x-dev requires silverstripe/vendor-plugin ^2 -> satisfiable by silverstripe/vendor-plugin[2.0.0-alpha1, ..., 2.x-dev]. - silverstripe/installer 6.x-dev requires silverstripe/recipe-cms 6.x-dev -> satisfiable by silverstripe/recipe-cms[6.x-dev]. - silverstripe/installer 6.x-dev requires silverstripe/vendor-plugin 3.x-dev -> satisfiable by silverstripe/vendor-plugin[3.x-dev]. - silverstripe/recipe-cms 6.x-dev requires silverstripe/errorpage 3.x-dev -> satisfiable by silverstripe/errorpage[3.x-dev]. - You can only install one version of a package, so only one of these can be installed: silverstripe/vendor-plugin[2.0.0-alpha1, ..., 2.x-dev, 3.x-dev].

Process completed with exit code 2.

Your workflow is using a version of actions/cache that is scheduled for deprecation, actions/cache@3624ceb22c1c5a301c8db4169662070a689d9ea8. Please update your workflow to use either v3 or v4 of actions/cache to avoid interruptions. Learn more: https://github.blog/changelog/2024-12-05-notice-of-upcoming-releases-and-breaking-changes-for-github-actions/#actions-cache-v1-v2-and-actions-toolkit-cache-package-closing-down