APT hitting a 402 error on any repository is treated as a fatal error by Tap

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As the title says, if any added repository to APT hits a 402 error while attempting to download the package list, Tap treats this error as fatal instead of non-fatal as APT itself does. I'm not sure if this is a bug or intended behavior, but it is less than ideal. Working example of this is https://dl.cloudsmith.io/public/balena/etcher/deb/ubuntu which is currently experiencing this issue.

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The example no longer works (they resolved their issue) but the issue is still present.