- Interpolating the version into a path is a common pattern, but the interpolations
trip up the alphabetization autocorrect quite spectacularly, so let's
ignore them (for now?).
- Part of issue 16323.
- Previously this was being done manually by Cask maintainers.
- While we're here, enforce that the `zap trash` path is not in `[]` if
it only contains a single element.
- This is buggy on actual Casks, hence the draft PR.