chore: update changelog to reflect new feature

Author: heitorlessa

CHANGELOG.md

@@ -10,6 +10,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - **Metrics**: Cold start metric is now completely separate from application metrics dimensions, making it easier and cheaper to visualize.
     - This is a breaking change if you were graphing/alerting on both application metrics with the same name to compensate this previous malfunctioning
     - Marked as bugfix as this is the intended behaviour since the beginning, as you shouldn't have the same application metric with different dimensions
+### Added
+- **Tracer**: capture_lambda_handler and capture_method decorators now support `capture_response` parameter to not include function's response as part of tracing metadata
 
 ## [1.3.1] - 2020-08-22
 ### Fixed