Update reference to solidus:auth:install
Update reference to solidus:auth:install

To fix these errors when generating a sandbox:

> Could not find generator 'spree:auth:install'. Maybe you meant 'spree:install', 'solidus:auth:install' or 'devise:install'
> Run `rails generate --help` for more options.

lsirivong/solidus,jsurdilla/solidus,devilcoders/solidus,scottcrawford03/solidus,jsurdilla/solidus,xuewenfei/solidus,jordan-brough/solidus,bonobos/solidus,xuewenfei/solidus,forkata/solidus,bonobos/solidus,pervino/solidus,athal7/solidus,richardnuno/solidus,xuewenfei/solidus,grzlus/solidus,devilcoders/solidus,jsurdilla/solidus,bonobos/solidus,scottcrawford03/solidus,forkata/solidus,forkata/solidus,Arpsara/solidus,Arpsara/solidus,Arpsara/solidus,richardnuno/solidus,scottcrawford03/solidus,lsirivong/solidus,athal7/solidus,devilcoders/solidus,scottcrawford03/solidus,athal7/solidus,forkata/solidus,lsirivong/solidus,Arpsara/solidus,devilcoders/solidus,grzlus/solidus,richardnuno/solidus,grzlus/solidus,jsurdilla/solidus,grzlus/solidus,richardnuno/solidus,pervino/solidus,jordan-brough/solidus,bonobos/solidus,pervino/solidus,pervino/solidus,jordan-brough/solidus,athal7/solidus,lsirivong/solidus,xuewenfei/solidus,jordan-brough/solidus