Bump golangci/golangci-lint-action from 3 to 4 #489

	name: Building and testing against different environments

	on:
	push:
	branches:
	tags:
	pull_request:

	env:
	CGO_ENABLED: '0' # https://github.com/golang/go/issues/26988
	GO111MODULE: 'on'

	jobs:

	build:
	name: Build on ${{ matrix.os }} for golang ${{ matrix.go }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest]
	go: ['1.13.x', '1.14.x', '1.15.x', '1.16.x', '1.17.x']
	steps:

	- name: Set up Go
	uses: actions/setup-go@v1
	with:
	go-version: ${{ matrix.go }}
	id: go

	- name: Check out code into the Go module directory
	uses: actions/checkout@v1

	- name: Get dependencies
	run: \|
	go get -v -t -d ./...

	- name: Build
	run: go build -v .

	- name: Test
	run: \|
	go test -v ./...

Provide feedback