www/gitlab: security and patch update to 17.4.2
Changes: https://about.gitlab.com/releases/2024/10/09/patch-release-gitlab-17-4-2-released/
Security: cc1ac01e-86b0-11ef-9369-2cf05da270f3
(cherry picked from commit 01adff5f9284df5584bd9126b694c2188630b53c)