Bump actions/checkout from 3 to 4 #621

	name: Run tests

	on:
	push:
	branches:
	- master
	tags: '*'
	pull_request:
	workflow_dispatch:

	concurrency:
	# group by workflow and ref; the last slightly strange component ensures that for pull
	# requests, we limit to 1 concurrent job, but for the master branch we don't
	group: ${{ github.workflow }}-${{ github.ref }}-${{ github.ref != 'refs/heads/master' \|\| github.run_number }}
	# Cancel intermediate builds, but only if it is a pull request build.
	cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}

	jobs:
	test:
	runs-on: ${{ matrix.os }}
	timeout-minutes: 15
	strategy:
	matrix:
	os: ["ubuntu-latest"]
	julia-version:
	- '1.11-nightly'
	- '1.10'
	- '1.9'
	- '1.8'
	- '1.7'
	- '1.6'
	- '1.5'
	- '1.4'
	- '1.3'
	- '1.2'
	- '1.1'
	- '1.0'
	- 'nightly'
	include:
	- os: windows-latest
	julia-version: '1'
	- os: windows-latest
	julia-version: '1.0'
	- os: windows-latest
	julia-version: '1.11-nightly'
	- os: windows-latest
	julia-version: 'nightly'
	- os: macOS-latest
	julia-version: '1'
	- os: macOS-latest
	julia-version: '1.0'
	- os: macOS-latest
	julia-version: '1.11-nightly'
	- os: macOS-latest
	julia-version: 'nightly'
	fail-fast: false
	name: Test Julia ${{ matrix.julia-version }} ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v4
	- name: Setup julia
	uses: julia-actions/setup-julia@v1
	with:
	version: ${{ matrix.julia-version }}
	- uses: julia-actions/julia-runtest@v1
	- uses: julia-actions/julia-processcoverage@v1
	- uses: codecov/codecov-action@v3
	with:
	file: ./lcov.info
	flags: unittests
	name: codecov-umbrella

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