www/gitlab-ce: Security update to 14.0.4

Changelog:
https://about.gitlab.com/releases/2021/07/07/critical-security-release-gitlab-14-0-4-released/

Security: 01974420-dfaf-11eb-ba49-001b217b3468
(cherry picked from commit 8d5ba0cec7367f31aeb9eb25dd8804536b0c1c8e)