Add Security release process to the documentation
What does this MR do?
It updates the Security Release process for GitLab Pages. Related to gitlab-com/gl-infra/delivery#681 (closed) and !283 (merged)
Edited by 🤖 GitLab Bot 🤖
It updates the Security Release process for GitLab Pages. Related to gitlab-com/gl-infra/delivery#681 (closed) and !283 (merged)