[scripts] allow virtual time simulator to `go` less than 1 second (#6112)
[scripts] allow virtual time simulator to `go` less than 1 second (#6112)


openthread/openthread,abtink/openthread,srickardti/openthread,jwhui/openthread,srickardti/openthread,srickardti/openthread,openthread/openthread,jwhui/openthread,srickardti/openthread,abtink/openthread,abtink/openthread,jwhui/openthread,jwhui/openthread,abtink/openthread,openthread/openthread,openthread/openthread