unset time limit when run interactively

controllers/show.php

@@ -71,6 +71,8 @@ class ShowController extends StudipController
                                          GROUP BY lvgruppe_id", [$version_id]);
         }
 
+        set_time_limit(0);
+
         try {
             $hisinone_sync = new HISinOneSync();
             $hisinone_sync->sync_courses($lvgs, $semester, $update, $update_studip);