Merge branch '458264-fetch-abuse-report-notes-prep' into 'master'

Expose notes and discussion on abuse report graphQL endpoint

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/162600



Merged-by: Jarka Košanová <jarka@gitlab.com>
Approved-by: Hinam Mehra <hmehra@gitlab.com>
Approved-by: Jerry Seto <jseto@gitlab.com>
Approved-by: Savas Vedova <svedova@gitlab.com>
Reviewed-by: Felipe Cardozo <fcardozo@gitlab.com>
Reviewed-by: Jarka Košanová <jarka@gitlab.com>
Reviewed-by: Hinam Mehra <hmehra@gitlab.com>