Update protocol and add nonce to SendDataRequest (#349)

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

Author: lukasIO

livekit-api/livekit/api/room_service.py

@@ -1,4 +1,5 @@
 import aiohttp
+from uuid import uuid4
 from livekit.protocol.room import (
     CreateRoomRequest,
     ListRoomsRequest,
@@ -288,6 +289,8 @@ async def send_data(self, send: SendDataRequest) -> SendDataResponse:
         Returns:
             SendDataResponse: Empty response object
         """
+
+        send.nonce = uuid4().bytes
         return await self._client.request(
             SVC,
             "SendData",