Preparing Netcode package of version 2.5.0 for the release

Author: michalChrobot

com.unity.netcode.gameobjects/CHANGELOG.md

@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 Additional documentation and release notes are available at [Multiplayer Documentation](https://docs-multiplayer.unity3d.com).
 
-## [Unreleased]
+## [2.5.0] - 2025-08-17
 
 ### Added
 
@@ -331,9 +331,6 @@ Additional documentation and release notes are available at [Multiplayer Documen
 
 ## [2.0.0-exp.5] - 2024-06-03
 
-### Added
-
-
 ### Fixed
 
 - Fixed issue where SessionOwner message was being treated as a new entry for the new message indexing when it should have been ordinally sorted with the legacy message indices. (#2942)