Add support for 8.3 and use it as default (#20) #69

	name: Tests

	on: [push, pull_request]

	jobs:
	tests:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: 8.0
	extensions: dom, curl, libxml, mbstring, zip, pcntl
	coverage: none

	- name: Install Composer dependencies
	run: composer install --prefer-dist --no-interaction

	- name: Execute tests
	run: vendor/bin/phpunit --verbose

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