Ruby 2.7: Fix RuboCop offense Style/ArgumentsForwarding (#38134).

git-svn-id: https://svn.redmine.org/redmine/trunk@22054 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine/export/csv.rb

@@ -22,8 +22,8 @@ require 'csv'
 module Redmine
   module Export
     module CSV
-      def self.generate(*args, &block)
-        Base.generate(*args, &block)
+      def self.generate(...)
+        Base.generate(...)
       end
 
       class Base < ::CSV