Update ICU to 58.1

source/data/coll/th.txt

Index: source/data/coll/th.txt
diff --git a/source/data/coll/th.txt b/source/data/coll/th.txt
index 6c1e6ff52172ee34fb5af8f5f6b001055c858a9f..a7d867c86aa075df425c98bf09984129bd94f3e0 100644
--- a/source/data/coll/th.txt
+++ b/source/data/coll/th.txt
@@ -1,11 +1,5 @@
-// ***************************************************************************
-// *
-// * Copyright (C) 2015 International Business Machines
-// * Corporation and others. All Rights Reserved.
-// * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
-// * Source File: <path>/common/collation/th.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 th{
     Version{"2.1.19.14"}
     collations{
@@ -23,7 +17,7 @@ th{
                 "&ๅํ<<<ํๅ"
                 "&ไ<ฺ"
             }
-            Version{"28"}
+            Version{"30"}
         }
     }
 }