Update actions/checkout action to v4 #624

	name: Go
	on: [push]
	jobs:

	build:
	name: Lint, Test, Build
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os:
	- ubuntu-latest
	- windows-latest
	- macOS-latest
	goversion:
	- 1.14
	steps:

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

	- name: Check out code into the Go module directory
	uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4

	- name: setup env
	run: \|
	echo "::set-env name=GOPATH::$(go env GOPATH)"
	echo "::add-path::$(go env GOPATH)/bin"
	env:
	ACTIONS_ALLOW_UNSECURE_COMMANDS: 'true'

	- name: Setup
	run: make setup

	- name: Lint
	run: make lint

	- name: Test
	run: make test

	- name: Build
	run: make build

Provide feedback