deps: ICU 59.1 bump

* No feature changes.
* Bug fixes.
* Details: http://site.icu-project.org/download/59

Fixes: #12077
PR-URL: #12486
Refs: #7844
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>

Author: srl295

LICENSE

@@ -100,7 +100,7 @@ The externally maintained libraries used by Node.js are:
   """
     COPYRIGHT AND PERMISSION NOTICE (ICU 58 and later)
 
-    Copyright © 1991-2016 Unicode, Inc. All rights reserved.
+    Copyright © 1991-2017 Unicode, Inc. All rights reserved.
     Distributed under the Terms of Use in http://www.unicode.org/copyright.html
 
     Permission is hereby granted, free of charge, to any person obtaining

configure

@@ -1043,8 +1043,8 @@ def glob_to_var(dir_base, dir_sub, patch_dir):
 def configure_intl(o):
   icus = [
     {
-      'url': 'https://ssl.icu-project.org/files/icu4c/58.2/icu4c-58_2-src.zip',
-      'md5': 'f4fca37508fc5d14390501cf17aef084',
+      'url': 'https://ssl.icu-project.org/files/icu4c/59.1/icu4c-59_1-src.zip',
+      'md5': '29a41f9bb576b06c7eef0487a84a7674',
     },
   ]
   def icu_download(path):