Accept .udebs at the very least.

This does not fix #8 yet, but will need to rework the binary/artifact
distinction first.

Signed-off-by: Chris Lamb <lamby@debian.org>

bidb/api/utils.py

@@ -9,7 +9,7 @@
 from bidb.buildinfo.models import Buildinfo
 
 re_filename = re.compile(
-    r'^(?P<name>[^_]+)_(?P<version>[^_]+)_(?P<architecture>[^\.]+)\.deb$',
+    r'^(?P<name>[^_]+)_(?P<version>[^_]+)_(?P<architecture>[^\.]+)\.u?deb$',
 )
 re_installed_build_depends = re.compile(
     r'^(?P<package>[^ ]+) \(= (?P<version>.+)\)'