Update CI config to use current node and PHP #115

	on: [push, pull_request]

	name: CI

	jobs:
	frontend-assets-linting:
	name: Frontend Assets Linting
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-node@v2
	with:
	node-version: '20'
	- run: npm install
	- run: npm run check-style

	js-tests:
	name: JavaScript Tests
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-node@v2
	with:
	node-version: '20'
	- run: npm install
	- run: npm build
	- run: npm test

	php:
	name: PHP Linting and Tests
	runs-on: ubuntu-latest
	strategy:
	matrix:
	php-versions: ['8.1', '8.2', '8.3']
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php-versions }}
	extensions: dom, simplexml, mbstring
	tools: composer:v2
	- name: Get composer cache directory
	id: composer-cache
	run: echo "::set-output name=dir::$(composer config cache-files-dir)"
	- name: Cache dependencies
	uses: actions/cache@v2
	with:
	path: ${{ steps.composer-cache.outputs.dir }}
	key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
	restore-keys: ${{ runner.os }}-composer-
	- name: Install dependencies
	run: composer install --prefer-dist
	- name: Linting
	run: composer check-style
	- name: Run tests
	run: composer test

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