gnucash maint: Update translations from the Translation Project.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/8b3baadf (commit)
	from  https://github.com/Gnucash/gnucash/commit/ee230a6c (commit)



commit 8b3baadf6bcddfe5df795fdc1e11b97c3a83a577
Author: John Ralls <jralls at ceridwen.us>
Date:   Fri Jul 24 13:47:31 2020 -0700

    Update translations from the Translation Project.
    
    Japanese, Romanian, and Ukrainian.



Summary of changes:
 po/ja.po |  786 +++----
 po/ro.po | 7672 +++++++++++++++++++++-----------------------------------------
 po/uk.po | 1342 ++++++-----
 3 files changed, 3504 insertions(+), 6296 deletions(-)