Update BackupScheduler

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_Main/src/de/steamwar/bausystem/region/BackupScheduler.java

@@ -60,6 +60,6 @@ public class BackupScheduler implements Enable {
                     region.remove(Tag.CHANGED);
                 }
             }
-        }.runTaskTimer(BauSystem.getInstance(), 0, 100);
+        }.runTaskTimer(BauSystem.getInstance(), 0, 20 * 60);
     }
 }