Update changelog

Author: tmaxwell-anthropic

CHANGELOG.md

@@ -26,6 +26,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#4361](https://github.com/open-telemetry/opentelemetry-python/pull/4361))
 - semantic-conventions: Bump to 1.30.0
   ([#4337](https://github.com/open-telemetry/opentelemetry-python/pull/4397))
+- Make `trace_api.use_span()` record `BaseException` as well as `Exception`
+  ([#4406](https://github.com/open-telemetry/opentelemetry-python/pull/4406))
 
 ## Version 1.29.0/0.50b0 (2024-12-11)