Your requirements could not be resolved to an installable set of packages. Problem 1 - brianium/paratest 4.0.0 requires composer/semver ~1.2 -> found composer/semver[1.2.0, ..., 1.x-dev] but it conflicts with your root composer.json require (^3.4). - brianium/paratest[4.1.0, ..., 4.1.1-alpha.2] require phpunit/phpunit ^9.2 -> found phpunit/phpunit[9.2.0, ..., 9.6.x-dev] but it conflicts with your root composer.json require (^8.5.31). - brianium/paratest[4.2.0-beta.1, ..., 4.2.0] require phpunit/phpunit ^9.3.5 -> found phpunit/phpunit[9.3.5, ..., 9.6.x-dev] but it conflicts with your root composer.json require (^8.5.31). - Root composer.json requires brianium/paratest ^4.0 -> satisfiable by brianium/paratest[4.0.0, ..., 4.2.0]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.

Process completed with exit code 2.