Merge #118: Update bdk dependency to 0.22

e8b2028 Update bdk dependency to 0.22 (Steve Myers)

Pull request description:

  ### Description

  - Update `bdk` and `bdk-reserves` to v0.22.0.
  - Change rpc `--skip-blocks` option to `--start-time` which specifies time initial sync will start scanning from.

  ### Notes to the reviewers

  I  haven't verified the bits and bytes of the new `reserves` PSBT in the tests. I assume it's different for the same reason as the other tests in `bdk-reserves` when we switched to bdk 0.22, but I could use some help confirming that.

  **This is draft until `bdk` and `bdk-reservers` v0.22 are published.**

  ### 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

ACKs for top commit:
  rajarshimaitra:
    ACK e8b2028

Tree-SHA512: 2d055ee6f2d347d60211f06cec161a80b6dec267be589b829f22a15e6e07a7529ec2307a4f2f7cb76e0501c39ab9ee8038c0fe4c946549712d0ffe9cdc809cc9

CHANGELOG.md

@@ -9,9 +9,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add distinct `key-value-db` and `sqlite-db` features, keep default as `key-value-db`
 - Reorganize existing codes in separate modules. Change crate type from lib to bin.
 - Rewrite relevant doc comments as `structopt` help document.
-- Update `bdk` and `bdk-reserves` to v0.19.0.
+- Update `bdk` and `bdk-reserves` to v0.22.0.
 - Change default database to `sqlite`.
 - Change the `esplora-reqwest` feature to always use async mode
+- Change rpc `--skip-blocks` option to `--start-time` which specifies time initial sync will start scanning from.
 
 ## [0.5.0]