update changelog

Author: tkostuch

CHANGELOG.md

@@ -24,6 +24,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add correct paths for production build - @cewald (#407)
 - Fix MSI default stock id value
 - Add outputFormatter to response from cache - @gibkigonzo (#428)
+- disable showing stack for invalid requests - @gibkigonzo (#431)
 
 
 ## [1.11.1] - 2020.03.17