Research if controller is able to detect and fix changes between the webhook object and its related `ClusterAdmissionPolicy`/`AdmissionPolicy` configuration.

[jvanz]

Verify if the Kubewarden controller is able to detect divergences between the webhook objects and the ClusterAdmissionPolicy/AdmissionPolicy configuration. If so, try to make the controller able to restore the webhook to the expected state. This issue trys to help mitigate the threat #4

NOTE: This is an issue created from RFC discussing the admission control threat model. It's created to allow the Kubewarden team discuss the proposed mitigation further and start to work on each actionable item when possible