Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpunit/phpunit ^9.6 -> satisfiable by phpunit/phpunit[9.6.0, ..., 9.6.22]. - phpunit/phpunit[9.6.0, ..., 9.6.22] require php >=7.3 -> your php version (7.2.34) does not satisfy that requirement.

Process completed with exit code 2.

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