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

Co-authored-by: 你我皆凡人 <eloli@foxmail.com>

locale/zh_CN/LC_MESSAGES/amo.po

@@ -4,7 +4,7 @@ msgstr ""
 "Project-Id-Version: amo\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
 "POT-Creation-Date: 2020-09-15 16:06+0000\n"
-"PO-Revision-Date: 2020-09-16 09:21+0000\n"
+"PO-Revision-Date: 2020-09-16 08:54+0000\n"
 "Last-Translator: 你我皆凡人 <eloli@foxmail.com>\n"
 "Language-Team: none\n"
 "Language: zh_CN\n"
@@ -1107,7 +1107,7 @@ msgstr "获知浏览器导航时的行为状态"
 
 #: src/amo/components/PromotedAddonsCard/index.js:76
 msgid "Sponsored extensions"
-msgstr ""
+msgstr "付费上架的扩展"
 
 #: src/amo/components/PromotedAddonsCard/index.js:83 src/ui/components/PromotedBadge/index.js:48
 msgid "Firefox only recommends extensions that meet our standards for security and performance."