Declare confidential computing variables from instance template module call

[wrightad23]

TL;DR

Declare the confidential computing variables (viz., enable_confidential_vm and confidential_instance_type) in the root module from the instance_template module.

Terraform Resources

https://github.com/terraform-google-modules/terraform-google-bastion-host/blob/0dfa3d55b325b19d18b855e87ce4eda35966cdef/main.tf#L45

https://github.com/terraform-google-modules/terraform-google-vm/blob/ef60927761876c5e91384b9d22b001bf4141c97d/modules/instance_template/variables.tf#L360

Detailed design

No response

Additional information

No response