Version 0.22

This release is a maintenance release, fixing some long-standing issues
and also keeping up-to-date with changes to Pacman and AUR.
Dependencies have also been updated to the latest versions.

• New: add command learned --no-verify flag to disable verification of
  packages prior to copying/moving them repository.
• Fix: verify packages before adding them to repository.
• Fix: support xdata field from pacman 6.1 (@intelfx).
• Fix: error reading packages leading to all packages removed (@intelfx).
• Fix: do not hardcode paths to repo-add and repo-remove (@JustTNE).
• Fix: update to use new AUR endpoint (@potatoattack).
• Fix: Remove outdated reference to --backup flag in help (@cyrinux).
• Fix: add command verifies packages by reading them before
  copying/moving them to the repository.