TEESimulator canary 74

Default the device-id chain to unknown, and resolve it in one place (#316)

Built from 2fda3b1 by run 39297784975.

A canary — the current state of dev, tested by CI and nothing else, published as a
prerelease so it can be downloaded (and flashed from the WebUI) without a GitHub account.

Build	Use it when
…-Debug.zip	Chasing a bug — far more logging.
…-Release.zip	You just want the newest code.

Only the five most recent canaries are kept.