www/gitlab: security and bugfix update to 17.7.1

Changes: https://about.gitlab.com/releases/2025/01/08/patch-release-gitlab-17-7-1-released/
Security: 2bfde261-cdf2-11ef-b6b2-2cf05da270f3
(cherry picked from commit d05b40114bcf656a97fb075a206d13e5a3572f4e)