Translation update for 3.12.0
(cherry picked from commit a7dd6850903301e5282c13e44a836408943d19d3)

Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>
Update release notes for Koha 3.12.0 RC3
(cherry picked from commit e8030f7f31db1ff9084ea827d3e155358e2054b1)

Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>