Bump actions/download-artifact from 1 to 4.1.7 in /.github/workflows #351

	name: Continuous Integration

	on: [push]

	jobs:
	Nix:
	name: Nix
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2.4.0
	- uses: cachix/install-nix-action@v15
	with:
	nix_path: nixpkgs=channel:nixos-unstable
	- run: nix build

	macOS:
	name: macOS
	runs-on: macOS-latest
	strategy:
	matrix:
	action:
	- check
	- build
	- test
	- cargo-publish
	steps:
	- uses: actions/checkout@v2
	- name: Action
	run: make ${{ matrix.action }}
	- name: Check Carge.lock
	run: git diff --exit-code

	Ubuntu:
	name: Ubuntu
	runs-on: ubuntu-latest
	strategy:
	matrix:
	action:
	- check
	- build
	- test
	- cargo-publish
	- check-version
	steps:
	- uses: actions/checkout@v2
	- name: Action
	run: make ${{ matrix.action }} && git diff --exit-code

	Windows:
	runs-on: windows-2019
	strategy:
	matrix:
	action:
	- check
	- build
	- test
	- cargo-publish
	steps:
	- uses: actions/checkout@v2
	- name: Action
	run: make ${{ matrix.action }}

	WindowsInstaller:
	runs-on: windows-latest
	env:
	RUSTFLAGS: '-C target-feature=+crt-static'
	name: WindowsInstaller
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	- uses: actions-rs/install@v0.1
	with:
	crate: cargo-wix
	version: latest
	- run: cargo wix init
	- run: cargo wix -v --nocapture -o .

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