Bump actions/checkout from 3 to 4 #15

	name: CI

	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]
	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go: ['1.17']
	steps:
	- name: Setup
	uses: actions/setup-go@v4
	with:
	go-version: ${{ matrix.go }}

	- name: Checkout
	uses: actions/checkout@v4

	- name: Dependencies
	run: \|
	go version
	go get -v -t -d ./...
	go get -u golang.org/x/lint/golint

	- name: Lint
	run: golint -set_exit_status=1 ./...

	- name: Vet
	run: go vet ./...

	- name: Test
	run: go test -v -coverprofile=coverage.txt -covermode=atomic ./...

	- name: Coverage
	uses: codecov/codecov-action@v3

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