Update all actions to use checkout v4 #336

	name: coverage
	on:
	push:
	tags:
	- v*
	branches:
	- main
	pull_request:

	jobs:
	coverage:
	name: Report Coverage
	runs-on: ubuntu-latest
	steps:
	- name: Install Go
	uses: actions/setup-go@v2
	with:
	go-version: "1.17.6"

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

	- name: Install deps
	run: \|
	go mod download

	- name: Run tests with coverage output
	run: \|
	go test -race -covermode atomic -coverprofile=covprofile ./...

	- name: Install goveralls
	run: go install github.com/mattn/goveralls@latest

	- name: Send coverage
	env:
	COVERALLS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: goveralls -coverprofile=covprofile -service=github

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