The job was canceled because "ubuntu-latest_8_1" failed.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires yiisoft/yii2 2.2.0 (exact version match: 2.2.0 or 2.2.0.0), found yiisoft/yii2[dev-master, 2.0.0-alpha, ..., 2.2.x-dev, 3.0.x-dev] but it does not match the constraint. Problem 2 - Root composer.json requires yiisoft/yii2-symfonymailer ^3.0 -> satisfiable by yiisoft/yii2-symfonymailer[3.0.0, 3.0.x-dev]. - yiisoft/yii2-symfonymailer[3.0.0, ..., 3.0.x-dev] require yiisoft/yii2 >=2.0.4 -> found yiisoft/yii2[dev-master, 2.0.4, ..., 2.2.x-dev, 3.0.x-dev] but it conflicts with your root composer.json require (2.2.0). Problem 3 - Root composer.json requires yii2-extensions/phpstan dev-main -> satisfiable by yii2-extensions/phpstan[dev-main]. - yii2-extensions/phpstan dev-main requires yiisoft/yii2 * -> found yiisoft/yii2[dev-master, 2.0.0-alpha, ..., 2.2.x-dev, 3.0.x-dev] but it conflicts with your root composer.json require (2.2.0).