(cherry picked from commit d18cc02f0185df39bb4213d8a63a955dfb433dcb) Re: https://github.com/openSUSE/osem/issues/2333
It is needed to run `rake roles:add` due to the addition of organization admins when updating from 1.0. This needs to be documented as it makes the application crashing. Fixes https://github.com/openSUSE/osem/issues/2496
To document changes for users