Merge branch 'hm-security-training-spec' into 'master'

Add security training spec

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/120824



Merged-by: Ramya Authappan <rauthappan@gitlab.com>
Approved-by: John McDonnell <jmcdonnell@gitlab.com>
Approved-by: Ramya Authappan <rauthappan@gitlab.com>
Approved-by: Miguel Rincon <mrincon@gitlab.com>
Reviewed-by: Miguel Rincon <mrincon@gitlab.com>
Reviewed-by: John McDonnell <jmcdonnell@gitlab.com>
Co-authored-by: hmuralidhar <hmuralidhar@gitlab.com>