Changelog update

Author: dtorok

Diff for: CHANGELOG.md

@@ -16,6 +16,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - `opentelemetry-instrumentation-httpx` Ensure httpx.get or httpx.request like methods are instrumented
   ([#2538](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2538))
+- `opentelemetry-instrumentation-aws-lambda` Fixing w3c baggage support
+  ([#2589](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2589))
 
 ## Version 1.25.0/0.46b0 (2024-05-31)