0112c67b6031b55a6c73f797db52d64a1b4ee38a chore: rename `ConfirmationTimeAnchor` to `ConfirmationTimeHeightAnchor` (Wei Chen)
Pull request description:
### Description
Closes#1187.
An `Anchor` implementation that records both height and time should have both attributes included in the name.
### 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:
ACK 0112c67b6031b55a6c73f797db52d64a1b4ee38a
Tree-SHA512: 024cbc83c8aca36baeaf2ce36979d62f235ffea7702e7ac8d4e7669cbc1730f7e1469ba78bf3da6c5a14abedbf1a9e832bdd66fdaa154ad2bef29cb187e1c504
e71770f93e