update changelog

Author: jonhealy1

CHANGELOG.md

@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Changed
 
 - Updated the pip_docker example to use stac-fastapi.elasticsearch 2.1.0 and the elasticsearch 8.11.0 docker image. [#216](https://github.com/stac-utils/stac-fastapi-elasticsearch-opensearch/pull/216)
+- Updated the Data Loader CLI tool to accept a base_url, a data directory, a custom collection id, and an option to use bulk insert. [#218](https://github.com/stac-utils/stac-fastapi-elasticsearch-opensearch/pull/218)
 
 ### Fixed