Add tag key

nurse · nurse · commit 6a6daf380377 · 2020-12-24T17:20:05.000+09:00
Release note will use tag value when I write GitHub URLs with release
tags.
diff --git a/tool/releng/update-www-meta.rb b/tool/releng/update-www-meta.rb
@@ -155,6 +155,7 @@ def self.update_releases_yml(ver, xy, ary, wwwdir, files_changed, insertions, de
     date = Time.now.utc # use utc to use previous day in midnight
     entry = <<eom
 - version: #{ver}
+  tag: v#{ver.tr('-.', '_')}
   date: #{date.strftime("%Y-%m-%d")}
   post: /en/news/#{date.strftime("%Y/%m/%d")}/ruby-#{ver.tr('.', '-')}-released/
   stats:
