www/gitlab: security and patch update to 19.0.2
Changes: https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-0-2-released/
Security: ac9bab80-6618-11f1-8e04-2cf05da270f3
(cherry picked from commit 1eb6e896184c69fea6b31d4304d15c4f46c14dee)