Add gitlab-sshd gssapi configuration support to Omnibus GitLab
This is the placeholder issue for the Omnibus companion work to the charts work in Add GSS-API support for gitlab-sshd (gitlab-org/charts/gitlab!2870 - merged)
Following along from gitlab-shell!682 (merged) and !6446 (merged) - we should add configuration support for the gssapi configuration for gitlab-sshd in Omnibus