Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpunit/phpunit ^11.0.0 -> satisfiable by phpunit/phpunit[11.0.0]. - phpunit/phpunit 11.0.0 requires sebastian/diff ^6.0 -> found sebastian/diff[6.0.0] but it conflicts with your root composer.json require (5.0.0 as 3.0.2).

Process completed with exit code 2.

The job was canceled because "_8_2" failed.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpunit/phpunit ^11.0.0 -> satisfiable by phpunit/phpunit[11.0.0]. - phpunit/phpunit 11.0.0 requires php >=8.2 -> your php version (8.1.27) does not satisfy that requirement.