Merge branch '16-05-illustrations-jmiocene' into 'master'

Update a bunch of illustrations

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/120933



Merged-by: Simon Knox <simon@gitlab.com>
Approved-by: Sharmad Nachnolkar <snachnolkar@gitlab.com>
Approved-by: Matthew Nearents <mnearents@gitlab.com>
Approved-by: drew stachon <730684-drew@users.noreply.gitlab.com>
Approved-by: Gregory Havenga <11164960-ghavenga@users.noreply.gitlab.com>
Approved-by: Simon Knox <simon@gitlab.com>
Approved-by: Dylan Griffith <dyl.griffith@gmail.com>
Co-authored-by: Julia Miocene <julia.miocene@gmail.com>