pgAdmin 4 commit: Update Japanese translation.

Update Japanese translation.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=1dfc5f4c0c218595c333ccba72e2c4e4ebb7eace
Author: Identifier Anonymous <emuser20140816@gmail.com>

Modified Files
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.../translations/ja/LC_MESSAGES/messages.mo        |  Bin 227006 -> 233106 bytes
.../translations/ja/LC_MESSAGES/messages.po        | 2426 +++++++++-----------
2 files changed, 1057 insertions(+), 1369 deletions(-)