Bug 35993: Add SimpleMarc::update_last_transaction_time

Bug 35993: Add SimpleMarc::update_last_transaction_time

Note: This routine does not check field existence like
ModBiblioMarc does/did (see next patch). So it inserts
a field 005 if it is not present.

Test plan:
Run t/SimpleMARC.t

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Phil Ringnalda <phil@chetcolibrary.org>
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>