Bug 11046: Add the form YYY-? for uncertain years

Bug 11046: Add the form YYY-? for uncertain years

This form occurred in Dutch ISBD rules.
The question mark should follow the hyphen(s).

Test plan:
Run t/db_dependent/Biblio/TransformMarcToKoha.t

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
TransformMarcToKoha tests passed. Also this patch passed QA test tool

Signed-off-by: Alex Buckley <alexbuckley@catalyst.net.nz>
Signed-off-by: Josef Moravec <josef.moravec@gmail.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>