[GTK] Update Ukrainian translation

https://bugs.webkit.org/show_bug.cgi?id=240119

Patch by Michael Catanzaro <mcatanzaro@redhat.com> on 2022-05-23
Unreviewed.

* Source/WebCore/platform/gtk/po/uk.po:

Canonical link: https://commits.webkit.org/250888@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@294679 268f45cc-cd09-0410-ab3c-d52691b4dbfc