Pontoon: Update Chinese (China) (zh-CN) localization of AMO

Co-authored-by: 你我皆凡人 <yuanbingyan@mail.ee>

locale/zh_CN/LC_MESSAGES/django.po

@@ -4,7 +4,7 @@ msgstr ""
 "Project-Id-Version: AMO\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
 "POT-Creation-Date: 2021-09-14 15:24+0000\n"
-"PO-Revision-Date: 2021-09-15 15:15+0000\n"
+"PO-Revision-Date: 2021-09-15 15:26+0000\n"
 "Last-Translator: 你我皆凡人 <yuanbingyan@mail.ee>\n"
 "Language-Team: Chinese Simplified, China <LL@li.org>\n"
 "Language: zh_CN\n"
@@ -2581,7 +2581,7 @@ msgstr "首先，请选择您要如何分发此版本。"
 
 #, python-format
 msgid "You can learn more about these options by reading <a %(a_attrs)s>Add-on Distribution and Signing on Firefox Extension Workshop</a>."
-msgstr ""
+msgstr "请阅读 Firefox 扩展工坊的 <a %(a_attrs)s>Add-on Distribution and Signing</a> 一文详细了解这些选项。"
 
 #, python-format
 msgid "All add-ons must comply with <a %(a_attrs)s>Mozilla’s Add-on Policies</a> and are subject to manual review at any time after submission."
@@ -2626,7 +2626,7 @@ msgid "Version Signature Pending"
 msgstr "等待版本签名"
 
 msgid "You’re done! ✨ You will be notified by email when the signed file is ready to be downloaded from the Developer Hub. If you do not see an email after 24 hours, please check your spam folder."
-msgstr ""
+msgstr "大功告成！✨ 当已签名文件可在开发者中心下载时，您将会收到确认邮件，若未在 24 小时内收到，则请检查垃圾邮件夹。"
 
 msgid "As a reminder, your add-on is subject to manual review at any time."
 msgstr "提醒一下，您的附加组件会随时接受人工审核。"