chore: add get_spot_orderbookV2

Author: achilleas-kal

pyinjective/async_client.py

@@ -640,6 +640,10 @@ async def get_spot_orderbooks(self, market_ids: List):
         req = spot_exchange_rpc_pb.OrderbooksRequest(market_ids=market_ids)
         return await self.stubSpotExchange.Orderbooks(req)
 
+    async def get_spot_orderbookV2(self, market_id: str):
+        req = spot_exchange_rpc_pb.OrderbooksV2Request(market_id=market_id)
+        return await self.stubSpotExchange.OrderbooksV2(req)
+
     async def get_spot_orderbooksV2(self, market_ids: List):
         req = spot_exchange_rpc_pb.OrderbooksV2Request(market_ids=market_ids)
         return await self.stubSpotExchange.OrderbooksV2(req)