Merge #830: Update esplora-client

6e5873e Update esplora-client (rajarshimaitra)

Pull request description:

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

  ### Description

  Update esplora-client and electrsd.

  Update: `electrsd v0.22` requires msrv at 1.57.. So removed from the PR for now..

  ### Notes to the reviewers

  <!-- 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

  <!-- 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

Top commit has no ACKs.

Tree-SHA512: 7c126822f7a45a6d3053c81d78e20340d64b159e7433ea333dc4bf5611316938718e16a65fcb37c59ec5e7e5d74d514bc312e49eeb49167a22b0eb2269203488

Cargo.toml

@@ -23,7 +23,7 @@ rand = "^0.8"
 # Optional dependencies
 sled = { version = "0.34", optional = true }
 electrum-client = { version = "0.12", optional = true }
-esplora-client = { version = "0.2", default-features = false, optional = true }
+esplora-client = { version = "0.3", default-features = false, optional = true }
 rusqlite = { version = "0.27.0", optional = true }
 ahash = { version = "0.7.6", optional = true }
 futures = { version = "0.3", optional = true }