add sampling rate parameter

hnluo

2023-02-05 16d3783a54adb4a7380f0eddfd7e31a55147b1fb

 funasr/runtime/python/grpc/grpc_main_server.py

@@ -1,8 +1,9 @@
import grpc
from concurrent import futures
import argparse

import paraformer_pb2_grpc
from grpc_server import ASRServicer
import grpc
import argparse

def serve(args):
      server = grpc.server(futures.ThreadPoolExecutor(max_workers=10),