hotfix - added missed import of FailEvent

Author: Mitrichius

src/Yandex/Allure/Adapter/AllureAdapter.php

@@ -6,6 +6,7 @@
 use Codeception\Event\StepEvent;
 use Codeception\Event\SuiteEvent;
 use Codeception\Event\TestEvent;
+use Codeception\Event\FailEvent;
 use Codeception\Events;
 use Codeception\Platform\Extension;
 use Codeception\Exception\Configuration as ConfigurationException;