Update Multipass demo setup

[ajzobro]

The current Multipass setup in server/HACKING.md is geared toward Focal. This should be updated to use Noble, or even Resolute.

[syncronize-issues-to-jira]

Thank you for reporting your feedback to us!

The internal ticket has been created: https://warthogs.atlassian.net/browse/CERTTF-789.

This message was autogenerated