Bump sass-rails to v5.0.x
Bump sass-rails to v5.0.x

solidusio-contrib/solidus_volume_pricing,spree-contrib/spree_volume_pricing,solidusio-contrib/solidus_volume_pricing,jspizziri/spree_volume_pricing,spree-contrib/spree_volume_pricing,jspizziri/spree_volume_pricing,solidusio-contrib/solidus_volume_pricing,solidusio-contrib/solidus_volume_pricing,spree-contrib/spree_volume_pricing,jspizziri/spree_volume_pricing