Update Catalan program translation

debian/changelog

@@ -48,6 +48,7 @@ dpkg (1.17.10) UNRELEASED; urgency=low
     Closes: #584233
 
   [ Updated programs translations ]
+  * Catalan (Guillem Jover).
   * Italian (Milo Casagrande). Closes: #750105
 
   [ Updated scripts translations ]