[TT-10414] [release-4-lts] Fix python coprocess tests, pin protobuf dependency in CI #135

	---
	name: Basic build checks

	on: pull_request

	jobs:
	test:
	name: Go ${{ matrix.go }} Redis ${{ matrix.redis-version }}
	runs-on: ubuntu-latest
	strategy:
	fail-fast: true
	matrix:
	go: [1.15]
	redis-version: [6]

	steps:
	- name: Checkout Tyk
	uses: actions/checkout@v3
	with:
	fetch-depth: 1

	- name: Setup Golang
	uses: actions/setup-go@v2
	with:
	go-version: ${{ matrix.go }}

	- name: Start Redis
	uses: supercharge/[email protected]
	with:
	redis-version: ${{ matrix.redis-version }}

	- name: Cache
	uses: actions/cache@v2
	with:
	path: ~/go/pkg/mod
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
	restore-keys: \|
	${{ runner.os }}-go-

	- name: Build
	run: go build .

	- name: Build tests, runs init funcs
	run: go test -run=^$ ./...

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