Merge #133: chore(deps): upgrade rust-bitcoin to 0.32.0

6cf7235 deps: bump crate version to `0.20.0` (Leonardo Lima)
78cb066 chore(deps)): upgrade `rust-bitcoin` to `0.32.0` (Leonardo Lima)

Pull request description:

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

  partially fixes [#1422](bitcoindevkit/bdk#1422)

  ### Description

  It updates the rust-bitcoin to 0.32.0, the `bitcoin` crate dependency.

  _NOTE: The overall BDK update to `0.32.0` still requires and depends on some other crates, please refer to [#1422](bitcoindevkit/bdk#1422

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

  ### Notes to the reviewers

  It's open for any comments.
  <!-- In this section you can include notes directed to the reviewers, like explaining why some parts
  of the PR were done in a specific way -->

  ### Changelog notice

  - Update the `bitcoin` crate dependency to `0.32.0`

  <!-- 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/blob/master/CONTRIBUTING.md)
  * [x] I ran `cargo fmt` and `cargo clippy` before committing

ACKs for top commit:
  notmandatory:
    utACK 6cf7235

Tree-SHA512: c1e170d8da7687b40916b7c2de48f08ca393a2af79522abc85933bae1da6f79d2aa05d59c73b99dcbd01cc7add4def1b8a14e7858550d4e7a007c07279b45854

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "electrum-client"
-version = "0.19.0"
+version = "0.20.0"
 authors = ["Alekos Filini <alekos.filini@gmail.com>"]
 license = "MIT"
 homepage = "https://github.com/MagicalBitcoin/rust-electrum-client"
@@ -18,7 +18,7 @@ path = "src/lib.rs"
 
 [dependencies]
 log = "^0.4"
-bitcoin = { version = "0.31.0", features = ["serde"] }
+bitcoin = { version = "0.32", features = ["serde"] }
 serde = { version = "^1.0", features = ["derive"] }
 serde_json = { version = "^1.0" }