Merge branch '482393-add-members-deleted-event' into 'master'

Add new event Members::DestroyedEvent

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/169756



Merged-by: Vijay Hawoldar <vhawoldar@gitlab.com>
Approved-by: Keeyan Nejad <knejad@gitlab.com>
Approved-by: Hercules Merscher <hmerscher@gitlab.com>
Approved-by: Vijay Hawoldar <vhawoldar@gitlab.com>
Reviewed-by: Vijay Hawoldar <vhawoldar@gitlab.com>
Reviewed-by: Bishwa Hang Rai <bhrai@gitlab.com>
Co-authored-by: Bishwa Hang Rai <bhrai@gitlab.com>