Merge branch 'deprecate-debian-10' into 'master'

Distribution 17.6 Debian 10 deprecation notice

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/160323



Merged-by: Evan Read <eread@gitlab.com>
Approved-by: Dilan Orrino <dorrino@gitlab.com>
Co-authored-by: Andrew Patterson <apatterson@gitlab.com>