chore: update the changelog to reflect PR #7010

Author: ulissesferreira

packages/multichain-account-service/CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Use the correct field `groupIndex` for account creations on TrxAccountProvider instead of the outdated `derivationPath`
+  ([#7010](https://github.com/MetaMask/core/pull/7010))
+
 ## [2.0.0]
 
 ### Changed