chore(deps): update actions/checkout action to v4 #2137

	name: Go

	on: [push, pull_request]

	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: "1.20"
	id: go

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

	- name: Cache Go Modules
	uses: actions/cache@v3
	with:
	path: ~/go/pkg/mod
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
	restore-keys: \|
	${{ runner.os }}-go-

	- name: Get dependencies
	run: make vendor
	id: modules

	- name: Linters
	run: make lint
	id: lint

	- name: Check that docs are up to date
	run: make docs
	id: docs

	- name: Run unit tests
	run: make unit
	id: unit

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