[Version] v0.4.6 update changelog

Author: Guillaume De Saint Martin

CHANGELOG.md

@@ -6,10 +6,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 *It is strongly advised to perform an update of your tentacles after updating OctoBot. (start.py tentacles --install --all)*
 
-## [0.4.6] - 2022-08-01
+## [0.4.6] - 2022-08-23
 ### Added
 - [Trading] Futures trading
 - [Exchange] Bitget
+- [Trading] Copy trading
+- [Beta] Beta environment
 ### Updated
 - [Community] Migrate to updated community website
 ### Fixed