TRANSIT_RELAY: update to new hint format
TRANSIT_RELAY: update to new hint format

negativo/magic-wormhole,warner/magic-wormhole,david415/magic-wormhole,warner/magic-wormhole,shaunstanislaus/magic-wormhole,barseghyanartur/magic-wormhole,idanyelin/magic-wormhole,warner/magic-wormhole,warner/magic-wormhole