please upgrade libbio-graphics-perl

["olivier.sallou@codeless.fr" <olivier.sallou@codeless.fr>]

Hi Charles,
could you please upgrade libbio-graphics-perl? New GBrowse needs at
least v2.31.

If you do not have time, please tell me and I 'll try to update it myself.

Thanks

Olivier

-- 
gpg key id: 4096R/326D8438  (keyring.debian.org)
Key fingerprint = 5FB4 6F83 D3B9 5204 6335  D26D 78DC 68DB 326D 8438