update SANE Bug report link, change group_id from 1308 to 30186

bugs.html

@@ -29,7 +29,7 @@
 
     <p>
       The <a
-      href="https://alioth.debian.org/tracker/?atid=410366&#38;group_id=1308&#38;func=browse"
+      href="https://alioth.debian.org/tracker/?atid=410366&#38;group_id=30186&#38;func=browse"
       target="_top">SANE bug tracker</a> can be used to report bugs or missing
       features in sane-backends, sane-frontends or the web pages. Please be as
       specific as possible and use an appropriate category. Add as much