RoundSync - v2.5.3

Changes from 2.5.2:

• Remove nonfree dependency
• Add better ci
• Update zh-cn @x4455

What's Changed

This release removes a library which contains nonfree code. It was included by accident in the last two releases.

Thanks @IzzySoft for raising this issue!

Full Changelog: v2.5.2...v2.5.3