Add conflict with doctrine/doctrine-bundle 2.3.0
Add conflict with doctrine/doctrine-bundle 2.3.0

lchrusciel/Sylius,loic425/Sylius,101medialab/Sylius,diimpp/Sylius,loic425/Sylius,GSadee/Sylius,Sylius/Sylius,lchrusciel/Sylius,101medialab/Sylius,pamil/Sylius,pamil/Sylius,SyliusBot/Sylius,pamil/Sylius,lchrusciel/Sylius,101medialab/Sylius,SyliusBot/Sylius,diimpp/Sylius,Zales0123/Sylius,antonioperic/Sylius,Arminek/Sylius,antonioperic/Sylius,antonioperic/Sylius,SyliusBot/Sylius,GSadee/Sylius,diimpp/Sylius,Sylius/Sylius,Sylius/Sylius,Zales0123/Sylius,GSadee/Sylius,Arminek/Sylius,loic425/Sylius,Zales0123/Sylius,Arminek/Sylius