Pontoon: Update Chinese (zh-CN) localization of Thimble
Pontoon: Update Chinese (zh-CN) localization of Thimble

Localization authors:
- YFdyh000 <yfdyh000@gmail.com>

humphd/thimble.mozilla.org,mozilla/thimble.mozilla.org,humphd/thimble.mozilla.org,humphd/thimble.mozilla.org,mozilla/thimble.mozilla.org,mozilla/thimble.mozilla.org,humphd/thimble.mozilla.org,mozilla/thimble.mozilla.org