www/gitlab: security and patch update to 17.8.2

Changes: https://about.gitlab.com/releases/2025/02/12/patch-release-gitlab-17-8-2-released/
Security: 1a8c5720-e9cf-11ef-9e96-2cf05da270f3
(cherry picked from commit d70573925f33aef4589d4b6efb8ef2fdf9802bfa)