Update actions/setup-node action to v4 #135

	name: main
	on: [push]
	jobs:
	test:
	runs-on: ubuntu-latest

	services:
	postgres:
	image: postgres
	env:
	POSTGRES_USER: root
	POSTGRES_PASSWORD: postgres
	POSTGRES_DB: example
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 5432:5432

	steps:
	- uses: actions/checkout@v3
	- name: Use Node.js 14.x
	uses: actions/setup-node@v4
	with:
	node-version: '14.x'

	- run: npm ci

	- run: npm run ci:test
	env:
	DATABASE_URL: 'postgresql://root:postgres@localhost:5432/example'

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