bin/deg: increase RPC buffer limit

bin/deg/src/rpc.py

@@ -22,7 +22,7 @@ import asyncio
 class JsonRpc:
 
     async def start(self, server, port):
-        reader, writer = await asyncio.open_connection(server, port, limit=1024 * 128)
+        reader, writer = await asyncio.open_connection(server, port, limit=1024 * 256)
         self.reader = reader
         self.writer = writer