Merge pull request #11924 from annando/error

Fix error "Class 'Friendica\Worker\Worker' not found"

src/Worker/UpdateServerPeers.php

@@ -22,6 +22,7 @@
 namespace Friendica\Worker;
 
 use Friendica\Core\Logger;
+use Friendica\Core\Worker;
 use Friendica\Database\DBA;
 use Friendica\DI;
 use Friendica\Model\GServer;