fixing the changelog, to address #2039

Author: jeffreyrainy

com.unity.netcode.gameobjects/CHANGELOG.md

@@ -18,7 +18,7 @@ Additional documentation and release notes are available at [Multiplayer Documen
 ### Changed
 
 - Updated `UnityTransport` dependency on `com.unity.transport` to 1.1.0. (#2025)
-- (API Breaking) `ConnectionApprovalCallback` is no longer an `event` and will not allow more than 1 handler registered at a time. Also, `ConnectionApprovalCallback` is now a `Func<>` taking `ConnectionApprovalRequest` in and returning `ConnectionApprovalResponse` back out (#1972)
+- (API Breaking) `ConnectionApprovalCallback` is no longer an `event` and will not allow more than 1 handler registered at a time. Also, `ConnectionApprovalCallback` is now an `Action<>` taking a `ConnectionApprovalRequest` and a `ConnectionApprovalResponse` that the client code must fill (#1972) (#2002)
 
 ### Removed