Process completed with exit code 1.

Your requirements could not be resolved to an installable set of packages. Problem 1 - silverstripe/framework[4.11.16, ..., 4.11.x-dev] require guzzlehttp/guzzle ^7 -> found guzzlehttp/guzzle[7.0.0-beta.1, ..., 7.9.x-dev] but it conflicts with your root composer.json require (^6.3). - silverstripe/recipe-cms 4.11.x-dev requires silverstripe/recipe-core 4.11.x-dev -> satisfiable by silverstripe/recipe-core[4.11.x-dev]. - silverstripe/installer 4.11.x-dev requires silverstripe/recipe-cms 4.11.x-dev -> satisfiable by silverstripe/recipe-cms[4.11.x-dev]. - silverstripe/recipe-core 4.11.x-dev requires silverstripe/framework 4.11.x-dev -> satisfiable by silverstripe/framework[4.11.x-dev]. - Root composer.json requires silverstripe/installer 4.11.x-dev -> satisfiable by silverstripe/installer[4.11.x-dev].

symfony/thanks contains a Composer plugin which is blocked by your allow-plugins config. You may add it to the list if you consider it safe. You can run "composer config --no-plugins allow-plugins.symfony/thanks [true|false]" to enable it (true) or disable it explicitly and suppress this exception (false) See https://getcomposer.org/allow-plugins

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab, shivammathur/setup-php@1a18b2267f80291a81ca1d33e7c851fe09e7dfc4, actions/cache@88522ab9f39a2ea568f7027eddc7d8d8bc9d59c8, actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.