Bug 28328: Extend biblioitems.lccn to longtext

Bug 28328: Extend biblioitems.lccn to longtext

Same sa issn and isbn, we want lccn to allow longer values.

Test plan:
Run the updatedatabase script to modify the DB structure
restart_all
Edit a bibliographic record and enter a long (more than 25 chars) lccn
Save

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit a537e57909a71d99f035030c4ab095aa71bedf2b)
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>