Previously, there was no way to obtain the internal_dns field via the
terraform provider; the CC API does return the internal_dns field. This
commit updates the provider to include that field so that users could use it
for VPC Peering or AWS PrivateLink.
Previously, there was no way to obtain the internal_dns field via the terraform provider; the CC API does return the internal_dns field. This commit updates the provider to include that field so that users could use it for VPC Peering or AWS PrivateLink.