fix: handle assert for php8 Union and Intersection #17

	name: page-filter-form-bundle-CI
	on:
	[push, pull_request]
	jobs:
	phpstan:
	runs-on: ubuntu-latest
	name: PHPStan
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: composer install
	run: composer install
	- name: PHPStan
	run: composer phpstan
	env:
	REQUIRE_DEV: true
	cs-fixer:
	runs-on: ubuntu-latest
	name: PHP-CS-Fixer
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: composer install
	run: composer install
	- name: CS Check
	run: composer cs-check

	tests:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	name:
	- 'PHP 7.4 tests (Symfony 4.4)'
	- 'PHP 7.4 tests (Symfony 5.1)'
	- 'PHP 8.0 tests (Symfony 5.2)'
	- 'PHP 8.0 tests (Symfony 5.3)'
	- 'PHP 8.0 tests (Symfony 5.4)'
	- 'PHP 8.0 tests (Symfony 6.0)'
	include:
	- php: '7.4'
	symfony: 4.4.*
	- php: '7.4'
	symfony: 5.1.*
	- php: '8.0'
	symfony: 5.2.*
	- php: '8.0'
	symfony: 5.3.*
	- php: '8.0'
	symfony: 5.4.*
	- php: '8.0'
	symfony: 6.0.*
	- php: '8.1'
	symfony: 6.0.*
	name: ${{ matrix.name }}
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Setup MySQL
	run: \|
	sudo systemctl enable mysql.service
	sudo systemctl start mysql.service
	mysql -uroot -proot -h localhost -e "CREATE DATABASE test CHARACTER SET utf8 COLLATE utf8_general_ci;"
	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php }}
	- run: \|
	sed -ri 's/"symfony\/(.+)": "(.+)"/"symfony\/\1": "${{ matrix.symfony }}"/' composer.json;
	if: matrix.symfony
	- run: composer update --no-interaction --no-progress --ansi
	- run: composer phpunit

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