Procedure:
1. Delete all whonix template packages
2. Make sure dom0 is updated
3. Adjust whonix version to 15
4. Attempt to download and configure TemplateVMs with the command:
sudo qubesctl state.sls qvm.anon-whonix
Results: various errors
virtual machine does not exist!
Got empty response from qubessd
7 succeeded
6 Failed