Your requirements could not be resolved to an installable set of packages.
Problem 1
- Root composer.json requires php ^8.2.0 but your php version (8.1.29) does not satisfy that requirement.
Problem 2
- Root composer.json requires phpunit/phpunit ^11.2.5 -> satisfiable by phpunit/phpunit[11.2.5].
- phpunit/phpunit 11.2.5 requires php >=8.2 -> your php version (8.1.29) does not satisfy that requirement.
Problem 3
- craftcms/cms[5.0.0-beta.1, ..., 5.2.3] require php ^8.2 -> your php version (8.1.29) does not satisfy that requirement.
- Root composer.json requires craftcms/cms ^5.0.0-beta.1 -> satisfiable by craftcms/cms[5.0.0-beta.1, ..., 5.2.3].