Bump hydra-head to 10.4.0 to fix caching bug
Bump hydra-head to 10.4.0 to fix caching bug

Previously `WorksControllerBehavior#permissions_changed?` would return
false if the access level of a user had been changed, or a user was
removed from the form.

samvera/hyrax,samvera/hyrax,samvera/hyrax,samvera/hyrax