www/gitlab-ce: security update to 15.2.2

Changelog:
https://about.gitlab.com/releases/2022/07/28/security-release-gitlab-15-2-1-released/
https://about.gitlab.com/releases/2022/08/01/gitlab-15-2-2-released/
(cherry picked from commit 68cf6a1c0f8979bccf94f6cc56183f2b30855c4c)