net-p2p/bitcoin[-daemon,-utils]: Update to 29.0
IMPORTANT: 29.x is the last release series that will support the legacy BDB wallet
format. We are already doing this awkwardly since the format is BDB 4.8
and we are building with BDB 5. This will be removed in 30.0 later this
year.
Instructions:
https://github.com/bitcoin/bitcoin/blob/29.x/doc/managing-wallets.md#migrating-legacy-wallets-to-descriptor-wallets
This release switches to CMake which results in a major refacoring of
the port and underlying build. The result seems good, but please
provide feedback if there are any unexpected changes or problems.
This release dropped UPnP support due to security concerns. NAT-PMP is
implemented as an alternative.
Reviewed by: arrowd (previous revision)
Differential Revision: https://reviews.freebsd.org/D50265