Update Italian dpkg translation

Closes: #627832

debian/changelog

@@ -20,6 +20,9 @@ dpkg (1.16.2) UNRELEASED; urgency=low
     - Reduces the amount of work performed, including loading and parsing
       unnecessary table files or calling either of gcc or dpkg programs.
 
+  [ Updated dpkg translations ]
+  * Italian (Milo Casagrande). Closes: #627832
+
   [ Updated man page translations ]
   * German (Helge Kreutzmann).