Bump actions/checkout from 3 to 4 #11

	name: Go

	on:
	push:
	branches:
	- master
	pull_request:

	jobs:
	test:
	name: Test Go
	runs-on: ubuntu-latest
	timeout-minutes: 15
	steps:
	- name: Checkout repo
	uses: actions/checkout@v4
	with:
	submodules: recursive

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: ^1

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

	- name: Run Go tests
	run: go test -mod=readonly -v -race ./...

	- name: Verify repo is unchanged
	run: git diff --exit-code HEAD

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