Your requirements could not be resolved to an installable set of packages.
Problem 1
- Root composer.json requires psr/container 2.0.2 -> satisfiable by psr/container[2.0.2].
- psr/container 2.0.2 requires php >=7.4.0 -> your php version (7.2.34) does not satisfy that requirement.
Problem 2
- phpunit/phpunit[10.0.0, ..., 10.4.x-dev] require php >=8.1 -> your php version (7.2.34) does not satisfy that requirement.
- Root composer.json requires phpunit/phpunit ^10.0 -> satisfiable by phpunit/phpunit[10.0.0, ..., 10.4.x-dev].