Update changelog

Author: afilini

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `verify` flag removed from `TransactionDetails`.
 - Add `get_internal_address` to allow you to get internal addresses just as you get external addresses.
 - added `ensure_addresses_cached` to `Wallet` to let offline wallets load and cache addresses in their database
+- Added `Wallet::get_signers()`, `Wallet::get_address_validators()` and `Wallet::has_internal_descriptor()`, exposed the `AsDerived` trait.
 
 ## [v0.16.1] - [v0.16.0]
 
@@ -421,4 +422,4 @@ final transaction is created by calling `finish` on the builder.
 [v0.14.0]: https://github.com/bitcoindevkit/bdk/compare/v0.13.0...v0.14.0
 [v0.15.0]: https://github.com/bitcoindevkit/bdk/compare/v0.14.0...v0.15.0
 [v0.16.0]: https://github.com/bitcoindevkit/bdk/compare/v0.15.0...v0.16.0
-[v0.16.1]: https://github.com/bitcoindevkit/bdk/compare/v0.16.0...v0.16.1
+[v0.16.1]: https://github.com/bitcoindevkit/bdk/compare/v0.16.0...v0.16.1