Add CHANGELOG entry for #249

Author: duckontheweb

CHANGELOG.md

@@ -6,7 +6,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased] - TBD
 
-None
+### Fixed
+
+- Fix type annotation of `Client._stac_io` and avoid implicit re-exports in `pystac_client.__init__.py` [#249](https://github.com/stac-utils/pystac-client/pull/249)
 
 ## [v0.4.0] - 2022-06-08