Update ICU to 58.1

source/data/zone/dz.txt

Index: source/data/zone/dz.txt
diff --git a/source/data/zone/dz.txt b/source/data/zone/dz.txt
old mode 100755
new mode 100644
index 5d453d7e96d3d896a312fa98e057f564be78d1c9..090531676877a4db5af10c9ec78de2e173465488
--- a/source/data/zone/dz.txt
+++ b/source/data/zone/dz.txt
@@ -1,13 +1,7 @@
-// ***************************************************************************
-// *
-// * Copyright (C) 2015 International Business Machines
-// * Corporation and others. All Rights Reserved.
-// * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
-// * Source File: <path>/common/main/dz.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 dz{
-    Version{"2.1.19.14"}
+    Version{"2.1.29.61"}
     zoneStrings{
         "Africa:Cairo"{
             ec{"ཀཱའི་རོ"}