[1.7.x] Fixed typo in 1.7 release notes

Backport of 12cf10cacd6 from master.
[1.7.x] Added Chinese language aliases in tx client config

Transifex doesn't have zh_Hans/zh_Hant locales.
[1.7.x] Fetched translations from Transifex
[1.7.x] Fixed #23302 -- Added --name/-n option to makemigrations command