Merge branch 'msj-alerts-todos' into 'master'

Review to-do doc on alerts

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/105554



Merged-by: Jon Glassman <jglassman@gitlab.com>
Approved-by: Jon Glassman <jglassman@gitlab.com>
Co-authored-by: Marcin Sedlak-Jakubowski <msedlakjakubowski@gitlab.com>