Added missing changelog line for mongodb fix
Fixed inconsistent return of \yii\console\Application::runAction()
Added `yii\console\Controller::EXIT_CODE_NORMAL` and `yii\console\Controller::EXIT_CODE_ERROR` constants, `yii\console\MigrateController` now returns `yii\console\Controller::EXIT_CODE_ERROR` in case of failed migration
Silenced migrations output in rbac test in case there's no error