Update changelog

Author: FrederikBolding

packages/snaps-execution-environments/CHANGELOG.md

@@ -9,6 +9,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [8.2.0]
 
+### Added
+
+- Add support for `AccountSelector` component ([#3088](https://github.com/MetaMask/snaps/pull/3088))
+
 ## [8.1.0]
 
 ### Added