d/rules: allow all sorts of version suffixes, not just for backports

Closes: #939387
Signed-off-by: Mattia Rizzolo <mattia@debian.org>
4 jobs for master in 14 minutes and 42 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Test
passed #313335
stable-bpo

00:11:44

88.0%
passed #313334
testing

00:12:15

88.0%
failed #313336
allowed to fail
ubuntu-devel

00:14:41

passed #313333
unstable

00:12:06

88.0%
 
Name Stage Failure
failed
ubuntu-devel Test
done.
done.
Processing triggers for libgdk-pixbuf2.0-0:amd64 (2.39.2-3) ...
Errors were encountered while processing:
linux-firmware
linux-image-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)
E: Failed to process build dependencies
ERROR: Job failed: exit code 1