Feature sc/dont run all browser tests by default
Main ideas of this MR:
- Launch cypress pipeline only on first browser by default, and change other to manual mode.
- Don't allow to merge without launch of all browser
Edited by THONIER Florian
GitLab upgrade completed. Current version is 18.3.6
https://about.gitlab.com/releases/2025/07/17/gitlab-18-2-released/
https://about.gitlab.com/releases/2025/08/21/gitlab-18-3-released/
Main ideas of this MR: