Update Node.js version requirements #180

	name: integration

	on: [push, pull_request]

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-node@v1
	with:
	node-version: '12'

	- name: Get yarn cache
	id: yarn-cache
	run: echo "::set-output name=dir::$(yarn cache dir)"

	- uses: actions/cache@v1
	with:
	path: ${{ steps.yarn-cache.outputs.dir }}
	key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-yarn-

	- name: Install dependencies
	run: yarn

	- name: Lint code
	run: yarn run lint

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