update

adding changelog entry.

Author: NoelStephensUnity

com.unity.netcode.gameobjects/CHANGELOG.md

@@ -16,6 +16,7 @@ Additional documentation and release notes are available at [Multiplayer Documen
 
 - Fixed issue where viewing a `NetworkBehaviour` with one or more `NetworkVariable` fields could throw an exception if running a distributed authority network topology with a local (DAHost) host and viewed on the host when the host is not the authority of the associated `NetworkObject`. (#3578)
 - Fixed issue when using a distributed authority network topology and  viewing a `NetworkBehaviour` with one or more `NetworkVariable` fields in the inspector view would not show editable fields. (#3578)
+- Fixed issue with unnecessary internal GC Allocations when using the `IReadOnlyList`  `NetworkManager.ConnectedClientsIds` within a `foreach` statement by either replacing with a `for` loop or directly referencing the `NetworkConnectionManager.ConnectedClientIds`. (#3527)
 
 ### Changed