Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires clue/graph-composer v2.x-dev -> satisfiable by clue/graph-composer[v2.x-dev]. - clue/graph-composer v2.x-dev requires php ^8.1 -> your php version (8.0.30) does not satisfy that requirement.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires overtrue/phplint ^9.2 -> satisfiable by overtrue/phplint[9.2.0, 9.3.0, 9.3.1]. - overtrue/phplint[9.2.0, ..., 9.3.1] require php ^8.1 -> your php version (8.0.30) does not satisfy that requirement.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpunit/phpunit ^10.5 -> satisfiable by phpunit/phpunit[10.5.0, ..., 10.5.24]. - phpunit/phpunit[10.5.0, ..., 10.5.24] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement.

Your requirements could not be resolved to an installable set of packages. Problem 1 - symfony/serializer[v6.4.0, ..., v6.4.9] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. - symfony/serializer[v7.0.0, ..., v7.1.2] require php >=8.2 -> your php version (8.0.30) does not satisfy that requirement. - Root composer.json requires symfony/serializer ^6.4 || ^7.0 -> satisfiable by symfony/serializer[v6.4.0, ..., v6.4.9, v7.0.0, ..., v7.1.2].

Your requirements could not be resolved to an installable set of packages. Problem 1 - bartlett/umlwriter[4.0.0, ..., 4.1.x-dev] require php ^8.1 -> your php version (8.0.30) does not satisfy that requirement. - bartlett/umlwriter[4.2.0, ..., 4.2.x-dev] require php ^8.2 -> your php version (8.0.30) does not satisfy that requirement. - Root composer.json requires bartlett/umlwriter ^4.0 -> satisfiable by bartlett/umlwriter[4.0.0, ..., 4.2.x-dev].