Basic Taproot derivation support for descriptors

[Bushstar]

Summary

• Adds the following upstream PRs.
  • https://github.com/bitcoin/bitcoin/pull/22051
  • https://github.com/bitcoin/bitcoin/pull/16889
  • https://github.com/bitcoin/bitcoin/pull/17056
  • https://github.com/bitcoin/bitcoin/pull/18204
  • https://github.com/bitcoin/bitcoin/pull/18034
  • https://github.com/bitcoin/bitcoin/pull/21238
  • https://github.com/bitcoin/bitcoin/pull/16792
  • https://github.com/bitcoin/bitcoin/pull/20832

Implications

• Storage

  • [ ] Database reindex required
  • [ ] Database reindex optional
  • [ ] Database reindex not required
  • [x] None

• Consensus

  • [ ] Network upgrade required
  • [ ] Includes backward compatible changes
  • [ ] Includes consensus workarounds
  • [ ] Includes consensus refactors
  • [x] None