update changelog

Author: jonhealy1

CHANGELOG.md

@@ -35,5 +35,6 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - First release
 
 
-[Unreleased]: <https://github.com/stac-utils/stac-fastapi-elasticsearch/tree/v0.1.0...main>
+[Unreleased]: <https://github.com/stac-utils/stac-fastapi-elasticsearch/tree/v0.1.1...main>
+[v0.1.1]: <https://github.com/stac-utils/stac-fastapi-elasticsearch/tree/v0.1.0...v0.1.1>
 [v0.1.0]: <https://github.com/stac-utils/stac-fastapi-elasticsearch/tree/v0.1.0>