Update Portuguese programs translation

Closes: #756920

Signed-off-by: Guillem Jover <guillem@debian.org>

debian/changelog

@@ -4,6 +4,7 @@ dpkg (1.17.11) UNRELEASED; urgency=low
 
   [ Updated programs translations ]
   * Danish (Joe Dalton). Closes: #754127
+  * Portuguese (Miguel Figueiredo). Closes: #756920
   * Swedish (Peter Krefting).
   * French (Jean-Baka Domelevo Entfellner, Julien Patriarca).