Clarify that `authoritative_storage` flag is required for Praefect's track-repository command when per_repository election is used
Clarify that `authoritative_storage` flag is required for Praefect's track-repository command when per_repository election is used

gitlabhq/omnibus-gitlab,gitlabhq/omnibus-gitlab,gitlabhq/omnibus-gitlab,gitlabhq/omnibus-gitlab