[Rector] Configure PHP version up to 8.0
[Rector] Configure PHP version up to 8.0

Sylius/Sylius,diimpp/Sylius,loic425/Sylius,SyliusBot/Sylius,diimpp/Sylius,Sylius/Sylius,diimpp/Sylius,loic425/Sylius,101medialab/Sylius,SyliusBot/Sylius,Sylius/Sylius,loic425/Sylius,101medialab/Sylius,101medialab/Sylius,SyliusBot/Sylius