[BUGFIX] Do not use deperecated Extbase tasks

extensions/ter/Classes/Task/UpdateCurrentVersionListTask.php

@@ -18,11 +18,12 @@ use T3o\TerFe2\Domain\Repository\CombinedExtensionRepository;
 use T3o\TerFe2\Service\ExtensionIndexService;
 use TYPO3\CMS\Core\Core\Environment;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Scheduler\Task\AbstractTask;
 
 /**
  * Update json file with information of core versions
  */
-class UpdateCurrentVersionListTask extends \TYPO3\CMS\Extbase\Scheduler\Task
+class UpdateCurrentVersionListTask extends AbstractTask
 {
 
     /**

extensions/ter_fe2/Classes/Task/CheckForExpiredExtensions.php

@@ -20,13 +20,13 @@ use TYPO3\CMS\Core\Database\ConnectionPool;
 use TYPO3\CMS\Core\Log\LogManager;
 use TYPO3\CMS\Core\Mail\MailMessage;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
-use TYPO3\CMS\Extbase\Scheduler\Task;
 use TYPO3\CMS\Fluid\View\StandaloneView;
+use TYPO3\CMS\Scheduler\Task\AbstractTask;
 
 /**
  * Class CheckForExpiredExtensions
  */
-class CheckForExpiredExtensions extends Task
+class CheckForExpiredExtensions extends AbstractTask
 {
 
     /**

extensions/ter_fe2/Classes/Task/CheckForOutdatedExtensions.php

@@ -25,12 +25,12 @@ use TYPO3\CMS\Core\Utility\VersionNumberUtility;
 use TYPO3\CMS\Extbase\Object\ObjectManager;
 use TYPO3\CMS\Extbase\Persistence\Generic\PersistenceManager;
 use TYPO3\CMS\Extbase\Persistence\Generic\Session;
-use TYPO3\CMS\Extbase\Scheduler\Task;
+use TYPO3\CMS\Scheduler\Task\AbstractTask;
 
 /**
  * Class CheckForOutdatedExtensions
  */
-class CheckForOutdatedExtensions extends Task
+class CheckForOutdatedExtensions extends AbstractTask
 {
 
     /**