MFH: r466447 r466567

Fixed outdated dependency for net/rubygem-gitaly.

Reviewed by: tz (mentor)
Approved by: tz (mentor)
Differential Revision: https://reviews.freebsd.org/D14944

Update to version 0.82.0 which is required for gitlab 10.5.x.

Reviewed by: mat, tz (mentor)
Approved by: tz (mentor)
Differential Revision: https://reviews.freebsd.org/D14867

Approved by: ports-secteam (eadler)