MFH: r467332 r468821

Update gitlab to version 10.6.4.
For detailed new feature with the major version please check https://about.gitlab.com/2018/03/22/gitlab-10-6-released/

Reviewed by: swills (mentor)
Approved by: swills (mentor)
Differential Revision: https://reviews.freebsd.org/D15038

Security update for gitlab to 10.6.5.

Reviewed by: eugen_grosbein.net, tz (mentor)
Approved by: eugen_grosbein.net, tz (mentor)
MFC after: 1 day
Security: 9dfe61c8-4d15-11e8-8f2f-d8cb8abf62dd
Differential Revision: https://reviews.freebsd.org/D15249

Approved by: ports-secteam (feld)