Merge bitcoindevkit/bdk-cli#301: rename `bip322` feature to `message_signer`

Merge bitcoindevkit/bdk-cli#301: rename `bip322` feature to `message_signer`

b0e6a3cd023c926d96e08eeef370a6af5d30696f docs: updated CHANGELOG.md (Abiodun Awoyemi)
a3c778d9adc4a56437bd360375054f9c9432eb55 chore: update for bdk_wallet 3.1.0 API changes (Abiodun Awoyemi)
d35395958a05b2a0e6552338ca894cfee8fcfb2b chore: migrate bdk_bip322 to bdk_message_signer 0.2.0 (Abiodun Awoyemi)

Pull request description:

  <!-- You can erase any parts of this template not applicable to your Pull Request. -->

  ### Description
  This PR renames the `bip322` to `message_signer`.

  <!-- Describe the purpose of this PR, what's being adding and/or fixed -->

  ## Changelog notice

  - Rename bip322 feature to message_signer
  <!-- Notice the release manager should include in the release tag message changelog -->
  <!-- See https://keepachangelog.com/en/1.0.0/ for examples -->

  ### Checklists

  #### All Submissions:

  * [x] I've signed all my commits
  * [x] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk-cli/blob/master/CONTRIBUTING.md)
  * [x] I ran `cargo fmt` and `cargo clippy` before committing

  #### New Features:

  * [ ] I've added tests for the new feature
  * [ ] I've added docs for the new feature
  * [x] I've updated `CHANGELOG.md`

  #### Bugfixes:

  * [ ] This pull request breaks the existing API
  * [ ] I've added tests to reproduce the issue which are now passing
  * [ ] I'm linking the issue being fixed by this PR

ACKs for top commit:
  tvpeter:
    ACK b0e6a3cd023c926d96e08eeef370a6af5d30696f

Tree-SHA512: 5be38cd8a04e8e6757524b44af8ac04195c31c43d179c5db3a509271395699f7b0ac09660a2adde173fc3e0764886991afdc713239aa342da16e53fcbd2e8ff2