Update linting to use Stylelint v15 and Prettier #511

	name: test

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	test:
	name: Run tests
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Read .nvmrc
	id: nvm
	run: echo "##[set-output name=NVMRC;]$(cat .nvmrc)"

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '${{ steps.nvm.outputs.NVMRC }}'
	cache: 'npm'

	- name: Install dependencies
	run: npm ci

	- name: Lint
	run: npm run lint

	- name: Test
	run: npm test

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