translation(ja): Update Japanese translation (#13723) Commit: https://github.com/vim/vim/commit/ef07a7651e324b8540f5e2bd7fa35fe059ea0434 Author: K.Takata <kentkt@csc.jp> Date: Wed Dec 20 04:21:40 2023 +0900 translation(ja): Update Japanese translation (https://github.com/vim/vim/issues/13723) ref: https://github.com/vim-jp/lang-ja/releases/tag/20231219 Signed-off-by: Ken Takata <kentkt@csc.jp> Signed-off-by: Christian Brabandt <cb@256bit.org>