Audit when product analytics settings are changed

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/154101



Merged-by: Huzaifa Iftikhar <hiftikhar@gitlab.com>
Reviewed-by: Max Woolf <mwoolf@gitlab.com>
Reviewed-by: Halil Coban <hcoban@gitlab.com>
Co-authored-by: Max Woolf <mwoolf@gitlab.com>