qt: translation updates

[mrdubas]

Translated all remaining untranslated strings in bitcoin_uk.ts to Ukrainian. The code structure has not been changed, only the translation strings have been updated

[im95888]

这是来自QQ邮箱的假期自动回复邮件。   您好，我最近正在休假中，无法亲自回复您的邮件。我将在假期结束后，尽快给您回复。