[skip ci] Update .po files

Author: Autobuild bot on TravisCI

library/urllib.request.po

@@ -5,6 +5,7 @@
 # 
 # Translators:
 # tomo, 2018
+# mollinaca, 2021
 # 
 #, fuzzy
 msgid ""
@@ -13,7 +14,7 @@ msgstr ""
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2020-02-09 18:48+0900\n"
 "PO-Revision-Date: 2018-06-29 17:40+0000\n"
-"Last-Translator: tomo, 2018\n"
+"Last-Translator: mollinaca, 2021\n"
 "Language-Team: Japanese (https://www.transifex.com/python-doc/teams/5390/ja/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -63,6 +64,8 @@ msgid ""
 "server, or ``None`` if no such data is needed.  See :class:`Request` for "
 "details."
 msgstr ""
+"*data* はサーバーに送信する追加データを指定するオブジェクトであるか ``None`` である必要があります。詳細は "
+":class:`Request` を確認してください。"
 
 #: ../../library/urllib.request.rst:37
 msgid ""