enhance: Update protobuf-go to protobuf-go v2 #327

	name: Test on pull request

	on:
	pull_request:
	branches:
	- master
	- "[0-9]+.[0-9]+"

	jobs:
	build:
	name: Run Check Proto
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.8]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Fetch tags
	run: \|
	git fetch --prune --unshallow --tags
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install grpcio==1.37.1
	pip install grpcio-tools==1.37.1
	- name: Try generate proto
	run: \|
	python -m grpc_tools.protoc -I ./proto --python_out=./ ./proto/common.proto
	python -m grpc_tools.protoc -I ./proto --python_out=./ ./proto/schema.proto
	python -m grpc_tools.protoc -I ./proto --python_out=./ --grpc_python_out=./ ./proto/milvus.proto

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