Bug#1111953: debbugs: Auto-close bugs fixed in all supported dists after a time out

Thanks for the report!

On Sun, 24 Aug 2025, Niels Thykier wrote:n
> I feel debbugs could just auto-done these after a delay (like 30 days)
> once the last affected version disappears and there is at least one
> fixed version.

The way to fix this is to not close bugs using fixed, but to close them
using -done when they are first completed.

Using -done notifies the submitter and has a bunch of other nice
properties that just setting fixed doesn't.

There's an argument to be made that we should instead warn loudly if a
bug has been fixed without having been -done so the person marking it
fixed knows to send a message to -done as well.