D20507: Update Japanese holidays

[N. Higa]

nhiga added a reviewer: KDE PIM.

REPOSITORY
  R175 PIM: KHolidays

REVISION DETAIL
  https://phabricator.kde.org/D20507

To: nhiga, #kde_pim
Cc: kde-pim, dvasin, rodsevich, winterz, vkrause, mlaurent, knauss, dvratil
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.kde.org/pipermail/kde-pim/attachments/20190416/313bf2bd/attachment.html>