Your requirements could not be resolved to an installable set of packages. Problem 1 - phpunit/phpunit[9.5.5, ..., 9.5.9] require phpunit/php-code-coverage ^9.2.3 -> found phpunit/php-code-coverage[9.2.3, ..., 9.2.30] but it conflicts with your root composer.json require (^11.0). - phpunit/phpunit[9.5.10, ..., 9.5.14] require phpunit/php-code-coverage ^9.2.7 -> found phpunit/php-code-coverage[9.2.7, ..., 9.2.30] but it conflicts with your root composer.json require (^11.0). - phpunit/phpunit[9.5.16, ..., 9.6.11] require phpunit/php-code-coverage ^9.2.13 -> found phpunit/php-code-coverage[9.2.13, ..., 9.2.30] but it conflicts with your root composer.json require (^11.0). - phpunit/phpunit[9.6.12, ..., 9.6.16] require phpunit/php-code-coverage ^9.2.28 -> found phpunit/php-code-coverage[9.2.28, 9.2.29, 9.2.30] but it conflicts with your root composer.json require (^11.0). - phpunit/phpunit[10.0.0, ..., 10.0.19] require phpunit/php-code-coverage ^10.0 -> found phpunit/php-code-coverage[10.0.0, ..., 10.1.11] but it conflicts with your root composer.json require (^11.0). - phpunit/phpunit 10.1.0 requires phpunit/php-code-coverage ^10.1 -> found phpunit/php-code-coverage[10.1.0, ..., 10.1.11] but it conflicts with your root composer.json require (^11.0). - phpunit/phpunit[10.1.1, ..., 10.3.3] require phpunit/php-code-coverage ^10.1.1 -> found phpunit/php-code-coverage[10.1.1, ..., 10.1.11] but it conflicts with your root composer.json require (^11.0). - phpunit/phpunit[10.3.4, ..., 10.5.9] require phpunit/php-code-coverage ^10.1.5 -> found phpunit/php-code-coverage[10.1.5, ..., 10.1.11] but it conflicts with your root composer.json require (^11.0). - sebastian/diff[4.0.0, ..., 4.0.1] require php ^7.3 -> your php version (8.2.14) does not satisfy that requirement. - friendsofphp/php-cs-fixer[v3.38.0, ..., v3.49.0] require 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[3.0.0, ..., 3.0.4, 4.0.0, ..., 4.0.5, 5.0.0, ..., 5.1.0, 6.0.0]. - phpunit/phpunit[11.0.0, ..., 11.0.1] require sebastian/diff ^6.0 -> satisfiable by sebastian/diff[6.0.0]. - Root composer.json requires phpunit/phpunit ^9.5.5||^10.0||^11.0 -> satisfiable by phpunit/phpunit[9.5.5, ..., 9.6.16, 10.0.0, ..., 10.5.9, 11.0.0, 11.0.1]. - Root composer.json requires friendsofphp/php-cs-fixer ^3.38.0 -> satisfiable by friendsofphp/php-cs-fixer[v3.38.0, ..., v3.49.0].