Update Italian language (#9961)

src/lang/it.rs

@@ -653,6 +653,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Upload folder", "Cartella upload"),
         ("Upload files", "File upload"),
         ("Clipboard is synchronized", "Gli appunti sono sincronizzati"),
-        ("Update client clipboard", ""),
+        ("Update client clipboard", "Aggiorna appunti client"),
     ].iter().cloned().collect();
 }