Log Message:
net/py-magic-wormhole: Update to 0.18.0

## Release 0.18.0 (11-Mar-2025)

* Improve the example to act more like send/receive (#558, @OndrewBot)
* Display a QR code by default for "wormhole send" (#555, @ferada + \ 
@meejah)
  This encodes "wormhole-transfer:M-word0-word1" per the spec:
  https://github.com/magic-wormhole/magic-wormhole-protocols/blob/main/uri-scheme.md
* Add sequence diagram
* Support Read the Docs pull-request builds
* Drop support for Python 3.8 (#556)
* Add broken-link checker (#588, https://github.com/Cycloctane)
* Preemptively fix Click 8.2 (#584, @cjwatson)
* Basic support for PEP518 (#579, @SnoopJ)
* Add WORMHOLE_ACCEPT_FILE (#570, @haatveit)

## Release 0.17.0 (23-Oct-2024)

* Bump magic-wormhole-transit-relay to 0.3.1 for testing, and fix (#543)
* Fix test regression under Twisted 24.10.0 (#553)

## Release 0.16.0 (3-Oct-2024)

* Updated to python-spake2 version 0.9
* Removed more Python2-isms