Generate changelog for v1.7.6
Generate changelog for v1.7.6

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