Update changelog.

Author: T4rk1n

CHANGELOG.md

@@ -4,6 +4,9 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 
 ## [UNRELEASED]
 
+### Fixed
+
+- [#2152](https://github.com/plotly/dash/pull/2152) Fix bug [#2128](https://github.com/plotly/dash/issues/2128) preventing rendering of multiple components inside a dictionary.
 - [#2146](https://github.com/plotly/dash/pull/2146) Remove leftover debug console.log statement.
 
 ## [2.6.0] - 2022-07-14