Bump actions/checkout from 3 to 4 #50

	name: Tests
	on: [push, pull_request]

	permissions:
	contents: read

	jobs:
	build:
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]
	runs-on: ${{ matrix.os }}

	steps:
	- name: Set up Go 1.20
	uses: actions/setup-go@v4
	with:
	go-version: 1.20

	- name: Check out code
	uses: actions/checkout@v4

	- name: Restore Go modules cache
	uses: actions/cache@v3
	with:
	path: ~/go/pkg/mod
	key: go-${{ runner.os }}-${{ hashFiles('go.mod') }}
	restore-keys: \|
	go-${{ runner.os }}-
	- name: Download dependencies
	run: go mod download

	- name: Build
	run: go build -v ./...

	- name: Lint
	run: go fmt ./...

	- name: Test
	run: go test -race -v ./...

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