updated changelog

Author: liustve

propagator/opentelemetry-propagator-aws-xray/CHANGELOG.md

@@ -10,6 +10,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Update `opentelemetry-api` version to 1.16
   ([#2961](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2961))
 
+- Added support for Lambda Lineage to XRay Trace Header
+  ([#3223](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3223))
+
 ## Version 1.0.2 (2024-08-05)
 
 See [common CHANGELOG](../../CHANGELOG.md) for the changes in this and prior versions.