Upgrade notes

When ugrading to a newer version of the CAF module, some configuration structures must be updated before applying the modifications.

4.21.0

configuration path:

var.virtual_machines/<key>/virtual_machine_settings/windows/

Example of the updated sturcture /examples/compute/virtual_machine/211-vm-bastion-winrm-agents/virtual_machines.tfvars

Replace

admin_user_key = "vm-win-admin-username"

by

admin_username_key = "vm-win-admin-username"