Merge branch '390768-document-safe-zip' into 'master'

Document RubyZip in secure coding guideline

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/112141



Merged-by: Luke Duncalfe <lduncalfe@gitlab.com>
Approved-by: Nick Malcolm <nmalcolm@gitlab.com>
Approved-by: Suzanne Selhorn <sselhorn@gitlab.com>
Approved-by: Luke Duncalfe <lduncalfe@gitlab.com>
Co-authored-by: Albert Salim <asalim@gitlab.com>