With the old foreman_hooks we could react to a new config_report event. As an administrator, I would like to save these, for example, in a database in order to display them as Grafana annotations.

Other people are missing this feature, too:
https://github.com/theforeman/foreman_hooks/issues/65
https://community.theforeman.org/t/webhooks-config-report-event/40164