chore: NGO 2.0.0 merge back to develop NGO develop 2.0.0 (#3068)

* bumping ngo version to 2.0.0

* adding unreleased header

Author: fluong6

com.unity.netcode.gameobjects/CHANGELOG.md

@@ -10,6 +10,14 @@ Additional documentation and release notes are available at [Multiplayer Documen
 
 ### Added
 
+### Fixed
+
+### Changed
+
+## [2.0.0] - 2024-09-12
+
+### Added
+
 - Added tooltips for all of the `NetworkObject` component's properties. (#3052)
 - Added message size validation to named and unnamed message sending functions for better error messages. (#3049)
 - Added "Check for NetworkObject Component" property to the Multiplayer->Netcode for GameObjects project settings. When disabled, this will bypass the in-editor `NetworkObject` check on `NetworkBehaviour` components. (#3031)

com.unity.netcode.gameobjects/package.json

@@ -2,7 +2,7 @@
     "name": "com.unity.netcode.gameobjects",
     "displayName": "Netcode for GameObjects",
     "description": "Netcode for GameObjects is a high-level netcode SDK that provides networking capabilities to GameObject/MonoBehaviour workflows within Unity and sits on top of underlying transport layer.",
-    "version": "2.0.0-pre.4",
+    "version": "2.0.0",
     "unity": "6000.0",
     "dependencies": {
         "com.unity.nuget.mono-cecil": "1.11.4",