add support for php 8.3 #8

	name: Build

	on: [push, pull_request]

	jobs:
	tests:
	runs-on: ubuntu-latest

	name: "PHP ${{ matrix.php }}"

	strategy:
	fail-fast: false
	matrix:
	php: [ 7.4, 8.0, 8.3 ]

	steps:
	- uses: actions/checkout@v2

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: "${{ matrix.php }}"
	tools: "composer, composer-require-checker"

	- name: Get Composer cache directory
	id: composer-cache
	run: echo "::set-output name=dir::$(composer config cache-files-dir)"

	- name: Cache Composer
	uses: actions/cache@v2
	with:
	path: ${{ steps.composer-cache.outputs.dir }}
	key: ${{ runner.os }}-php-${{ matrix.php }}-composer-${{ hashFiles('/composer.json /composer.lock') }}
	restore-keys: \|
	${{ runner.os }}-php-${{ matrix.php }}-composer-

	- name: Check composer
	run: composer validate

	- name: Install dependencies
	run: composer install --no-interaction

	- name: Composer Require Checker
	run: composer-require-checker

	- name: CS checks
	run: vendor/bin/phpcs --standard=PSR2 src/

	roave_bc_check:
	name: Roave BC Check
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Roave BC Check
	uses: docker://nyholm/roave-bc-check-ga

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