Updated high_voltage gem 2.3.0 -> 2.4.0
Updated high_voltage gem 2.3.0 -> 2.4.0

jmwenda/feedbunch,jmwenda/feedbunch,amatriain/feedbunch,amatriain/feedbunch,amatriain/feedbunch,jmwenda/feedbunch,amatriain/feedbunch