require Node.js 16; recommend running gulp via npx #6

	name: Deploy to GitHub Pages
	on:
	push:
	branches: [main]
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Install Node.js
	uses: actions/setup-node@v3
	with:
	node-version: '16'
	- name: Install dependencies
	run: npm i
	- name: Build and deploy to GitHub Pages
	run: \|
	git remote set-url origin https://git:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git
	git config --local user.name github-actions-bot
	git config --local user.email ${{ github.actor }}@users.noreply.github.com
	npx gulp deploy
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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