README: Bump Godot client library to 4.0.x

README.md

@@ -51,7 +51,7 @@ Here's a list of available language APIs for obs-websocket:
 - Python 3.7+ (Asyncio): [simpleobsws](https://github.com/IRLToolkit/simpleobsws/tree/master) by IRLToolkit
 - Python 3.10+ (Non-Asyncio): [obsws-python](https://pypi.org/project/obsws-python) by aatikturk and onyx-and-iris
 - Rust: [obws](https://github.com/dnaka91/obws) by dnaka91
-- Godot 3.4.x: [obs-websocket-gd](https://github.com/you-win/obs-websocket-gd) by you-win
+- Godot 4.0.x: [obs-websocket-gd](https://github.com/you-win/obs-websocket-gd) by you-win
 - Javascript (Node and web): [obs-websocket-js](https://github.com/obs-websocket-community-projects/obs-websocket-js) by OBS Websocket Community
   - C (uses obs-websocket-js): [v8-libwebsocket-obs-websocket](https://github.com/dgatwood/v8-libwebsocket-obs-websocket)
 - Go: [goobs](https://github.com/andreykaipov/goobs) by andreykaipov