Your requirements could not be resolved to an installable set of packages. Problem 1 - dnadesign/silverstripe-elemental[5.0.0-alpha1, ..., 5.x-dev] require php ^8.1 -> your php version (8.0.30) does not satisfy that requirement. - Root composer.json requires dnadesign/silverstripe-elemental ^5 -> satisfiable by dnadesign/silverstripe-elemental[5.0.0-alpha1, ..., 5.x-dev].

Process completed with exit code 2.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/cache@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/