update

adding changelog entry

Author: NoelStephensUnity

com.unity.netcode.gameobjects/CHANGELOG.md

@@ -12,6 +12,8 @@ Additional documentation and release notes are available at [Multiplayer Documen
 
 ### Fixed
 
+- Fixed issue where `NetworkVariableBase` derived classes were not being re-initialized if the associated `NetworkObject` instance was not destroyed and respawned.
+
 ### Changed