MFH: r447612 r447616

www/gitlab: Update from 9.1.9 to 9.2.9

Changelog: https://github.com/gitlabhq/gitlabhq/blob/v9.2.9/CHANGELOG.md

Submitted by: Matthias Fechner <idefix@fechner.net>, tz

www/gitlab: Fix wrong RUN_DEPENDS

Switch from security/rubygem-hashie-forbidden_attributes to
devel/rubygem-hashie-forbidden_attributes.

Pointy hat to myself. I did not notice the overlapping effort
of sunpoet creating the same port and mat removing the
duplicate.

Approved by: ports-secteam (feld)