Upgrade actions/checkout from 3 to 4 (#13) #19

	name: Go
	on: push
	jobs:

	test:
	strategy:
	matrix:
	go-version: [1.12.x, 1.13.x, 1.14.x, 1.15.x, 1.16.x, 1.17.x, 1.18.x]
	platform: [ubuntu-latest]
	runs-on: ${{ matrix.platform }}
	steps:

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: ${{ matrix.go-version }}
	id: go

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

	- name: Get dependencies
	run: \|
	go get -v -t -d ./...

	- name: Build
	run: go build -v .

	- name: Test
	run: go test -v -race -coverprofile=coverage.txt -covermode=atomic ./...

	- name: Codecov
	uses: codecov/codecov-action@v3
	with:
	token: ${{secrets.CODECOV_TOKEN}}
	file: coverage.txt
	flags: unittests
	name: codecov-umbrella

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