Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/dom-crawler ^7.0 -> satisfiable by symfony/dom-crawler[v7.0.0-BETA1, ..., 7.2.x-dev]. - symfony/dom-crawler[v7.0.0-BETA1, ..., 7.2.x-dev] require php >=8.2 -> your php version (8.1; overridden via config.platform, actual: 8.1.29) does not satisfy that requirement. Problem 2 - Root composer.json requires silverstripe/framework ^6 -> satisfiable by silverstripe/framework[6.x-dev]. - silverstripe/framework 6.x-dev requires symfony/dom-crawler ^6.1 -> found symfony/dom-crawler[v6.1.0-BETA1, ..., 6.4.x-dev] but it conflicts with your root composer.json require (^7.0). Problem 3 - Root composer.json requires symfony/finder ^7.0 -> satisfiable by symfony/finder[v7.0.0-BETA1, ..., 7.2.x-dev]. - symfony/finder[v7.0.0-BETA1, ..., 7.2.x-dev] require php >=8.2 -> your php version (8.1; overridden via config.platform, actual: 8.1.29) does not satisfy that requirement. Problem 4 - silverstripe/framework 6.x-dev requires symfony/dom-crawler ^6.1 -> found symfony/dom-crawler[v6.1.0-BETA1, ..., 6.4.x-dev] but it conflicts with your root composer.json require (^7.0). - silverstripe/testsession 4.x-dev requires silverstripe/framework ^6 -> satisfiable by silverstripe/framework[6.x-dev]. - Root composer.json requires silverstripe/testsession ^4 -> satisfiable by silverstripe/testsession[4.x-dev].

Process completed with exit code 2.

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab, shivammathur/setup-php@1a18b2267f80291a81ca1d33e7c851fe09e7dfc4, actions/cache@88522ab9f39a2ea568f7027eddc7d8d8bc9d59c8, actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/