Fixup the ugly patching of FileUtils.cp / cp_r

Not sure why copy is even overriden... It's an alias to cp anyways.

Read https://www.ruby-lang.org/en/news/2019/12/12/separation-of-positional-and-keyword-arguments-in-ruby-3-0/

ruby/engine/embedded_help.rb

@@ -691,7 +691,7 @@ class << self
     alias :original_cp :cp
   end
 
-  def self.cp_r(src, dest, options = {})
+  def self.cp_r(src, dest, ...)
     #puts "cp_r #{src} to #{dest}"
     if src.to_s.chars.first == ':' then
       absolute_path = OpenStudio.get_absolute_path(src)
@@ -732,10 +732,10 @@ def self.cp_r(src, dest, options = {})
       end
     end
 
-    self.original_cp_r(src, dest, options)
+    self.original_cp_r(src, dest, ...)
   end
 
-  def self.cp(src, dest, options = {})
+  def self.cp(src, dest, ...)
     #puts "cp #{src} to #{dest}"
     if src.to_s.chars.first == ':' then
       absolute_path = OpenStudio.get_absolute_path(src)
@@ -760,11 +760,11 @@ def self.cp(src, dest, options = {})
       end
     end
 
-    self.original_cp(src, dest, options)
+    self.original_cp(src, dest, ...)
   end
 
-  def self.copy(src, dest, options = {})
-    return self.cp(src, dest, options)
+  def self.copy(src, dest, ...)
+    return self.cp(src, dest, ...)
   end
 end