Update changelog

Author: jeffsmale90

packages/delegation-deployments/CHANGELOG.md

@@ -9,7 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- Add chain deployment for Robinhood Chain mainnet and testnet
+- Add chain deployment for Robinhood Chain mainnet and testnet ([#277](https://github.com/MetaMask/smart-accounts-kit/pull/277))
 
 ## [1.4.0]