again, and now for longer (Re: Debian CI builds disabled for the moment)

[FC Stegerman]

* Holger Levsen <holger at layer-acht.org> [2023-09-05 16:39]:
> [13:16] < h01ger> https://deb.li/3jDcj / 4f9ccd0 is quite straighforward, so I'd appreciate a 2nd look :)

You're passing --version as a non-option argument:
  
  diffoscope -- --version

It worked (and was probably needed) before as the "--" was interpreted
by schroot, not diffoscope.  So the solution should be to remove the
"--" and just use:

  diffoscope --version

- Fay