Ruby version for gitlabhq-11.1.x
According to https://github.com/gitlabhq/gitlabhq/blob/master/doc/update/11.0-to-11.1.md
GitLab 11.0 and higher only support Ruby 2.4.x and dropped support for Ruby 2.3.x.
so I think
USE_RUBY="ruby23"
in the ebuild should be changed to
USE_RUBY="ruby24"
.