Update CHANGELOG.md

Author: aumetra

CHANGELOG.md

@@ -17,8 +17,10 @@ and this project adheres to
 
 - cosmwasm-std: Enable `add_event` and `add_events` functions to process types
   implementing `Into<Event>` ([#2044])
+- cosmwasm-vm: Improve performance of the `Cache::analyze` function ([#2051])
 
 [#2044]: https://github.com/CosmWasm/cosmwasm/pull/2044
+[#2051]: https://github.com/CosmWasm/cosmwasm/pull/2051
 
 ## [2.0.0] - 2024-03-12