Update ICU to 58.1

source/data/zone/bo.txt

Index: source/data/zone/bo.txt
diff --git a/source/data/zone/bo.txt b/source/data/zone/bo.txt
index 2c74611db6f37d6b7473553ae867de44eb73e802..1abad44504232334923d4b2b62d19a5c09d40a41 100644
--- a/source/data/zone/bo.txt
+++ b/source/data/zone/bo.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/bo.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 bo{
-    Version{"2.1.19.14"}
+    Version{"2.1.27.40"}
     zoneStrings{
         "Etc:Unknown"{
             ec{"མ་རྟོགས་པ"}