Missing additions to the latest version of the CAF Enterprise Scale add-on

[hyperfocus1337]

PR Checklist

---

• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.
• My code follows the code style of this project.
• I ran lint checks locally prior to submission.
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Description

The latest version of the terraform-azurerm-caf-enterprise-scale add-on contains more features that are not yet integrated into the caf_eslz folder where the module is being called. These changes integrate these features, as they are described in the wiki.

Does this introduce a breaking change

• YES
• NO

Testing