Bumpy is unable to program APPROTECT on nrf52
All current bumpy releases have this bug from upstream that prevents programming of APPROTECT
https://github.com/blacksphere/blackmagic/issues/522
more information on APPROTECT at https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.nrf52832.ps.v1.1%2Fuicr.html