Bump actions/checkout from 2 to 4 #139

	name: Go

	on:
	push:
	branches: ['*']
	tags: ['v*']
	pull_request:
	branches: ['*']

	permissions:
	contents: read

	jobs:

	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go: ["1.17.x", "1.18.x", "1.19.x"]
	include:
	- go: 1.19.x
	latest: true

	steps:
	- name: Setup Go
	uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
	with:
	go-version: ${{ matrix.go }}

	- name: Checkout code
	uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0

	- name: Load cached dependencies
	uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84 # v.3.3.2
	with:
	path: ~/go/pkg/mod
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
	restore-keys: \|
	${{ runner.os }}-go-

	- name: Lint
	if: matrix.latest
	run: make lint

	- name: Test
	run: make cover

	- name: Upload coverage to codecov.io
	uses: codecov/codecov-action@d9f34f8cd5cb3b3eb79b3e4b5dae3a16df499a70 # v3.1.1

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