New translations en.xaml (Ukrainian)

[ci skip]

Author: jjw24

Flow.Launcher/Languages/uk-UA.xaml

@@ -368,6 +368,7 @@
     <system:String x:Key="commonOK">Добре</system:String>
     <system:String x:Key="commonYes">Так</system:String>
     <system:String x:Key="commonNo">Ні</system:String>
+    <system:String x:Key="commonBackground">Тло</system:String>
 
     <!--  Crash Reporter  -->
     <system:String x:Key="reportWindow_version">Версія</system:String>