Your requirements could not be resolved to an installable set of packages.
Problem 1
- laravel/framework[v8.12.0, ..., 8.x-dev] require league/flysystem ^1.1 -> satisfiable by league/flysystem[1.1.0, ..., 1.x-dev].
- league/flysystem[1.1.0, ..., 1.x-dev] require ext-fileinfo * -> it is missing from your system. Install or enable PHP's fileinfo extension.
- Root composer.json requires laravel/framework ^8.12 -> satisfiable by laravel/framework[v8.12.0, ..., 8.x-dev].