add changes

Author: jonhealy1

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Changed
+
+- Updated core stac-fastapi libraries to 2.4.3 from 2.3.0 https://github.com/stac-utils/stac-fastapi-elasticsearch/pull/127
+
 ## [v0.2.0]
 
 ### Deprecated