www/gitlab: security and patch update to 17.3.2

Changes: https://about.gitlab.com/releases/2024/09/11/patch-release-gitlab-17-3-2-released/

Security: bcc8b21e-7122-11ef-bece-2cf05da270f3
(cherry picked from commit 9d0d030af4f0cd9ecf07b342e882fccd81115577)