Your requirements could not be resolved to an installable set of packages.
Problem 1
- Root composer.json requires php ^8.1 but your php version (8.0.30) does not satisfy that requirement.
Problem 2
- Root composer.json requires stechstudio/laravel-zipstream ^5.0 -> satisfiable by stechstudio/laravel-zipstream[5.0-beta, 5.x-dev].
- stechstudio/laravel-zipstream[5.0-beta, ..., 5.x-dev] require php ^8.1 -> your php version (8.0.30) does not satisfy that requirement.
Problem 3
- orchestra/testbench[v7.5.0, ..., 7.x-dev] require phpunit/phpunit ^9.5.10 -> found phpunit/phpunit[9.5.10, ..., 9.6.x-dev] but it conflicts with your root composer.json require (^10.0).
- Root composer.json requires orchestra/testbench ^7.5 -> satisfiable by orchestra/testbench[v7.5.0, ..., 7.x-dev].
Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.