Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/yaml 7.0.0 -> satisfiable by symfony/yaml[v7.0.0]. - symfony/yaml v7.0.0 requires php >=8.2 -> your php version (8.1.26) does not satisfy that requirement. Problem 2 - php-coveralls/php-coveralls v2.7.0 requires symfony/yaml ^2.0.5 || ^3.0 || ^4.0 || ^5.0 || ^6.0 || ^7.0 -> satisfiable by symfony/yaml[v7.0.0]. - php-coveralls/php-coveralls[v2.0.0, ..., v2.3.0] require php ^5.5 || ^7.0 -> your php version (8.1.26) does not satisfy that requirement. - php-coveralls/php-coveralls[v2.4.0, ..., v2.4.3] require symfony/yaml ^2.0.5 || ^3.0 || ^4.0 || ^5.0 -> found symfony/yaml[2.0.5, ..., v2.8.52, v3.0.0, ..., v3.4.47, v4.0.0, ..., v4.4.45, v5.0.0, ..., v5.4.31] but it conflicts with your root composer.json require (7.0.0). - php-coveralls/php-coveralls[v2.5.0, ..., v2.6.0] require symfony/yaml ^2.0.5 || ^3.0 || ^4.0 || ^5.0 || ^6.0 -> found symfony/yaml[2.0.5, ..., v2.8.52, v3.0.0, ..., v3.4.47, v4.0.0, ..., v4.4.45, v5.0.0, ..., v5.4.31, v6.0.0, ..., v6.4.0] but it conflicts with your root composer.json require (7.0.0). - symfony/yaml v7.0.0 requires php >=8.2 -> your php version (8.1.26) does not satisfy that requirement. - Root composer.json requires php-coveralls/php-coveralls ^2.0 -> satisfiable by php-coveralls/php-coveralls[v2.0.0, ..., v2.7.0].

Process completed with exit code 2.