Update SymfonyRequirements.php
Update SymfonyRequirements.php

After running composer update, the post scripts where run. This resulted
in the update of the SymfonyRequirements.php. This adheres to the
requirements that are stated by Symfony.

SURFnet/sp-dashboard,SURFnet/sp-dashboard,SURFnet/sp-dashboard,SURFnet/sp-dashboard,SURFnet/sp-dashboard