Update CHANGELOG.md

Author: ramsessanchez

CHANGELOG.md

@@ -11,6 +11,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+## [5.11.0] - 2022-01-11
+
+### Added
+
+- Models and Request classes related to RiskDetection and RiskyUser. 
+
+### Changed
+
+- Generated v1.0 models and request builders using Typewriter.
+
 ## [5.10.0] - 2022-01-05
 
 ### Added