Add database events for new appointed models

Background

Data team is planning to set up and utilise their own snowplow event collection pipeline to track every interaction with gitlab.com database (see: https://gitlab.com/gitlab-data/gitlab.com-saas-data-pipeline/-/issues). As the next part of evaluation of proposed solution Data team request two new models from GitLab application to be tracked with https://gitlab.com/gitlab-org/gitlab/-/blob/6aa3b620a8214f733f3d0acd9bd86384b00d9f84/app/models/concerns/database_event_tracking.rb#L33

Goal

Add https://gitlab.com/gitlab-org/gitlab/-/blob/6aa3b620a8214f733f3d0acd9bd86384b00d9f84/app/models/concerns/database_event_tracking.rb#L33 to two models appointed by data team (cc @vedprakash2021)

Implementation tips

See !92079 (diffs) for reference

This issue is blocked by #390805 (closed)