update changelog for v4.1.0 release

Author: crodriguezvega

CHANGELOG.md

@@ -34,18 +34,12 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 # Changelog
 
-## [Unreleased]
+## [v4.1.0](https://github.com/cosmos/ibc-go/releases/tag/v4.1.0) - 2022-09-20
 
 ### Dependencies
 
 * [\#2288](https://github.com/cosmos/ibc-go/pull/2288) Bump SDK version to v0.45.8 and Tendermint to v0.34.21.
 
-### API Breaking
-
-### State Machine Breaking
-
-### Improvements 
-
 ### Features
 
 * (apps/27-interchain-accounts) [\#2193](https://github.com/cosmos/ibc-go/pull/2193) Adding `InterchainAccount` gRPC query endpont to ICS27 `controller` submodule to allow users to retrieve registered interchain account addresses.