"ancestor" -> "parent" renamings
requested to merge freetrader/bitcoin-cash-node:aserti3-mr692-ancestor_parent_renamings into daa/aserti3-wip
This implements a review comment made here bitcoin-cash-node/bchn-sw/bitcoincash-upgrade-specifications!7 (comment 391677589) which has been implemented in the specification.
This aligns the code.