New translations en.xaml (Polish)

[ci skip]

Author: jjw24

Flow.Launcher/Languages/pl.xaml

@@ -480,6 +480,7 @@ Jeśli dodasz prefiks '@' podczas wprowadzania skrótu, będzie on pasował do d
     </system:String>
     <system:String x:Key="errorTitle">Błąd</system:String>
     <system:String x:Key="folderOpenError">An error occurred while opening the folder. {0}</system:String>
+    <system:String x:Key="browserOpenError">An error occurred while opening the URL in the browser. Please check your Default Web Browser configuration in the General section of the settings window</system:String>
 
     <!--  General Notice  -->
     <system:String x:Key="pleaseWait">Proszę czekać...</system:String>