Merge bitcoindevkit/bdk#1276: Add `LocalChain::disconnect_from` method

bf67519768d91b049bf3a47c234ff71a81d0ede9 feat(chain): add `LocalChain::disconnect_from` method (志宇)

Pull request description:

  Closes #1271

  ### Description

  Add a method for disconnecting a chain of blocks starting from the given `BlockId`.

  ### Notes to the reviewers

  I want to have this for https://github.com/utreexo/utreexod/pull/110

  ### Changelog notice

  Added
  * `LocalChain::disconnect_from` method to evict a chain of blocks starting from a given `BlockId`.

  ### 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

  #### New Features:

  * [x] I've added tests for the new feature
  * [x] I've added docs for the new feature

ACKs for top commit:
  danielabrozzoni:
    ACK bf67519768d91b049bf3a47c234ff71a81d0ede9

Tree-SHA512: e6bd213b49b553355370994567722ad2c3460d11fcd81adc65a85e5d03822d3c38e4a4d7f967044991cf0187845467b67d035bf8904871f9fcc4ea61be761ef7