Add Symfony 8 Support

[Hanmac]

WIP so see if something is broken

Dependencies that blocks 8.0 Version:

• composer why-not vimeo/psalm "7.0.0-beta11" psalm/plugin-phpunit 0.19.5 requires vimeo/psalm (dev-master || ^6.10.0)

• composer why-not symfony/cache "v8.0.0-BETA1" doctrine/doctrine-bundle 3.0.0 requires symfony/cache (^6.4 || ^7.0)

• composer why-not symfony/doctrine-bridge "v8.0.0-BETA1" doctrine/doctrine-bundle 3.0.0 requires symfony/doctrine-bridge (^6.4.3 || ^7.0.3)

• composer why-not symfony/dependency-injection 8.0.0-BETA2 matthiasnoback/symfony-dependency-injection-test 6.1.0 requires symfony/dependency-injection (^5.4 || ^6.2 || ^7.0)