German translation update

debian/changelog

@@ -13,6 +13,7 @@ apt (0.7.22) UNRELEASED; urgency=low
     - fr.po
     - it.po. Closes: #531758
     - ca.po. Closes: #531921
+    - de.po. Closes: #536430
   * Added translations
     - ast.po (Asturian by Marcos Alvareez Costales).
       Closes: #529007, #529730, #535328