ci: Use GITHUB_OUTPUT envvar instead of set-output command #1552

	name: GitHub Actions CI

	on:
	push:
	branches:
	- main
	pull_request:
	jobs:
	tests:
	runs-on: ubuntu-latest
	steps:
	- name: Set up Git repository
	uses: actions/checkout@v1

	- name: Set up Ruby
	uses: ruby/setup-ruby@v1

	- name: Get NodeJS version
	run: echo "NODE_VERSION=$(cat .node-version)" >> $GITHUB_OUTPUT
	id: node_version

	- name: Set up NodeJS
	uses: actions/setup-node@v1
	with:
	node-version: "${{ steps.node_version.outputs.NODE_VERSION }}"

	- name: Bootstrap
	run: script/bootstrap

	- name: Check for uncommitted or incorrect NodeJS modules
	run: \|
	git diff --stat --exit-code node_modules \|\| {
	echo '\n\nError: you must commit all NodeJS modules!'
	exit 1
	}
	grep -qr alt-h0 node_modules \|\| {
	echo 'Error: Primer NodeJS modules must contain alt-h0!'
	exit 1
	}

	- name: Run tests
	run: script/test

Provide feedback