Bump actions/download-artifact from 2 to 4.1.7 in /.github/workflows #7

	name: Generate
	on:
	push:
	pull_request:
	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Set up Go
	uses: actions/setup-go@v2
	with:
	go-version: 1.18
	- name: Build
	run: go run generate.go
	- name: Upload artifacts
	uses: actions/upload-artifact@v2
	with:
	name: gh-pages
	path: gh-pages/*
	if-no-files-found: error
	deploy:
	name: Deploy
	runs-on: ubuntu-latest
	concurrency:
	group: "gh-pages-deploy"
	cancel-in-progress: false
	needs:
	- build
	if: github.ref == 'refs/heads/main'
	steps:
	- name: Checkout
	run: \|
	set -euo pipefail
	git clone -b gh-pages https://${GITHUB_REPOSITORY_OWNER}:${{ secrets.GITHUB_TOKEN }}@github.com/${GITHUB_REPOSITORY} dist \|\| (
	set -euo pipefail
	mkdir -p dist
	cd dist
	git init
	git checkout -b gh-pages
	git remote add origin https://${GITHUB_REPOSITORY_OWNER}:${{ secrets.GITHUB_TOKEN }}@github.com/${GITHUB_REPOSITORY}
	)
	- name: Download artifacts
	uses: actions/[email protected]
	with:
	name: gh-pages
	path: artifacts
	- name: Deploy
	run: \|
	set -euo pipefail
	rsync -az --exclude=.git --delete ./artifacts/ ./dist/
	cd dist
	git config user.name "GitHub Actions"
	git config user.email [email protected]
	git add .
	if ! git diff-index --quiet HEAD --; then
	git commit -m "Publish"
	git push --set-upstream --force origin gh-pages
	fi
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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