Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires dms/phpunit-arraysubset-asserts dev-master -> satisfiable by dms/phpunit-arraysubset-asserts[dev-master]. - dms/phpunit-arraysubset-asserts dev-master requires phpunit/phpunit ^4.8.36 || ^5.7.21 || ^6.0 || ^7.0 || ^8.0 || ^9.0 || ^10.0 -> found phpunit/phpunit[4.8.36, 5.7.21, ..., 5.7.27, 6.0.0, ..., 6.5.14, 7.0.0, ..., 7.5.20, 8.0.0, ..., 8.5.36, 9.0.0, ..., 9.6.16, 10.0.0, ..., 10.5.9] but it conflicts with your root composer.json require (^11). Problem 2 - sebastian/diff[4.0.0, ..., 4.0.1] require php ^7.3 -> your php version (8.2.14) does not satisfy that requirement. - Root composer.json requires friendsofphp/php-cs-fixer 3.48.0 -> satisfiable by friendsofphp/php-cs-fixer[v3.48.0]. - friendsofphp/php-cs-fixer v3.48.0 requires sebastian/diff ^4.0 || ^5.0 -> satisfiable by sebastian/diff[4.0.0, ..., 4.0.5, 5.0.0, ..., 5.1.0]. - You can only install one version of a package, so only one of these can be installed: sebastian/diff[4.0.0, ..., 4.0.5, 5.0.0, ..., 5.1.0, 6.0.0]. - phpunit/phpunit 11.0.0 requires sebastian/diff ^6.0 -> satisfiable by sebastian/diff[6.0.0]. - Root composer.json requires phpunit/phpunit ^11 -> satisfiable by phpunit/phpunit[11.0.0].

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