Add extended handler for genai util #77

Author: Cirilla-zmh

util/opentelemetry-util-genai/CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- Add support for emitting inference events and enrich message types. ([#3994](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3994))
 - Minor change to check LRU cache in Completion Hook before acquiring semaphore/thread ([#3907](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3907)).
 - Add environment variable for genai upload hook queue size
   ([https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3943](#3943))