chore(deps): update actions/checkout action to v4 #15

	name: Code Quality
	on: [pull_request]
	jobs:
	formatting:
	name: go fmt
	runs-on: ubuntu-20.04
	steps:
	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: 1.17
	- name: Check out code into the Go module directory
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Get dependencies
	run: go mod download
	- name: Formatting
	run: diff <(gofmt -d ./...) <(echo -n)
	generate:
	name: go generate
	runs-on: ubuntu-20.04
	steps:
	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: 1.17
	- name: Check out code into the Go module directory
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Get dependencies
	run: go mod download
	- name: stringer
	run: go get golang.org/x/tools/cmd/stringer
	- name: go generate
	run: go generate
	- name: validate generated code
	run: git diff --exit-code -- . ':(exclude)go.sum' ':(exclude)go.mod'

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