* typo3 10.4 version

* remove symfony/yaml legacy code

* remove symfony/component/yaml from psr-4 autoload

* change from @inject to constructor injection

* migrate command controller to symfony/command

* remove old typo3_db global from utility

* use querybuilder

* remove lagacy code usage

* change extension typo3 version range

* register module

* add cs fixer and config

* run php cs fixer

* set extension version to 4.0.0

* require only typo3/cms-core:^10.4, require typo3/testing-framework:^6.2

* change TYPO3\CMS\Core\Tests\UnitTestCase to TYPO3\TestingFramework\Core\Unit\UnitTestCase

* add var/

* change namespace for AbstractViewHelper

* change deprecated Dispatcher to Psr\EventDispatcher\EventDispatcherInterface PSR-14

* revert to dispatcher

* run php cs-fixer