Generate changelog for v1.9.4
Generate changelog for v1.9.4

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