Switch all bugzilla.novell.com URLs to bugzilla.suse.com

The novell.com address is historical and deprecated.

Requested-by: Alexandros Toptsoglou <atoptsoglou@suse.com>
Requested-in: <a3bc5c9f-d52d-a79d-e1da-6a6484cee9ea@suse.com>