Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires drupol/php-conventions ^6 -> satisfiable by drupol/php-conventions[6.0.0]. - Root composer.json requires phpstan/phpstan-strict-rules ^2.0 -> satisfiable by phpstan/phpstan-strict-rules[2.0.0]. - drupol/php-conventions 6.0.0 requires phpstan/phpstan ^1 -> satisfiable by phpstan/phpstan[1.0.0, ..., 1.12.9]. - phpstan/phpstan-strict-rules 2.0.0 requires phpstan/phpstan ^2.0 -> satisfiable by phpstan/phpstan[2.0.0]. - You can only install one version of a package, so only one of these can be installed: phpstan/phpstan[0.11.6, ..., 0.12.100, 1.0.0, ..., 1.12.9, 2.0.0].

Process completed with exit code 2.