Add Support for Trusted Images

[jpecora716]

Is your feature request related to a problem?

At the moment it's not possible to manage Trusted Images with this terraform provider

Describe the solution you'd like

You should be able to manage Trusted Images with the provider

Describe alternatives you've considered

They need to be managed via the UI or API

Additional context

Managing Trusted Images is a manual process and can be challenging to operationalize.