docs: update changelog

cw-dex-astroport/CHANGELOG.md

@@ -9,6 +9,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
-- Bumped `astroport_v3` dependency alias of `astroport` package to `5.0.0-rc.1-tokenfactory`.
+- Added support for Astroport native LP tokens.
+- Bumped `astroport_v3` dependency alias of `astroport` package to `5.0.0-rc.1-tokenfactory` and renamed it to `astroport_v5`.
 - Changed `AstroportStaking` field `lp_token_addr: Addr` to `lp_token: AssetInfo`.
 - Changed `AstroportPool` field `lp_token_addr: Addr` to `lp_token: AssetInfo`.
+- Changed `AstroportPool` field `liquidity_manager: Addr` to `liquidity_manager: Option<Addr>`.
+  - This is to keep backwards compatibility with Astroport pools that use CW20 LP tokens. Note that the field must be set if the LP token is a CW20 token.