Add explicit composer and symfony cache clears. #1416

	name: PHP Unit Test

	on:
	push:
	branches: [ develop, main ]
	pull_request:
	branches: [ develop, main ]

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- name: Setup PHP with PECL extension
	uses: shivammathur/setup-php@v2
	with:
	php-version: '8.1'

	- name: Validate composer.json and composer.lock
	run: composer validate --strict

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

	# Add a test script to composer.json, for instance: "test": "vendor/bin/phpunit"
	# Docs: https://getcomposer.org/doc/articles/scripts.md

	- name: Run php unit tests
	run: vendor/bin/simple-phpunit
	env:
	SYMFONY_DEPRECATIONS_HELPER: disabled

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