Removed usage of deprecated io/ioutil package #359

	name: CI

	on:
	push:
	branches:
	- master
	pull_request:

	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	strategy:
	matrix: # Support latest and one minor back
	go: ["1.18", "1.19", "1.20", "1.21", "1.22"]
	env:
	GOFLAGS: -mod=readonly

	services:
	etcd:
	image: gcr.io/etcd-development/etcd:v3.5.0
	ports:
	- 2379
	env:
	ETCD_LISTEN_CLIENT_URLS: http://0.0.0.0:2379
	ETCD_ADVERTISE_CLIENT_URLS: http://0.0.0.0:2379
	options: --health-cmd "ETCDCTL_API=3 etcdctl --endpoints http://localhost:2379 endpoint health" --health-interval 10s --health-timeout 5s --health-retries 5

	consul:
	image: consul:1.10
	ports:
	- 8500

	zk:
	image: zookeeper:3.5
	ports:
	- 2181

	eureka:
	image: springcloud/eureka
	ports:
	- 8761
	env:
	eureka.server.responseCacheUpdateIntervalMs: 1000

	steps:
	- name: Set up Go
	uses: actions/setup-go@v2.1.3
	with:
	stable: "false"
	go-version: ${{ matrix.go }}

	- name: Checkout code
	uses: actions/checkout@v2

	- name: Run tests
	env:
	ETCD_ADDR: http://localhost:${{ job.services.etcd.ports[2379] }}
	CONSUL_ADDR: localhost:${{ job.services.consul.ports[8500] }}
	ZK_ADDR: localhost:${{ job.services.zk.ports[2181] }}
	EUREKA_ADDR: http://localhost:${{ job.services.eureka.ports[8761] }}/eureka
	run: go test -v -race -coverprofile=coverage.coverprofile -covermode=atomic -tags integration ./...

	- name: Upload coverage
	uses: codecov/codecov-action@v1
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	file: coverage.coverprofile

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