(MODULES-3522) Updating constant

Prior to this commit, there was an issue regarding the loading of the
puppet/type/file/owner constant under certain circumstances during agent
runs.

This commit aims to modernise the file request to comply with best
practices.

Author: LukasAud

lib/puppet/type/concat_file.rb

@@ -1,8 +1,9 @@
 # frozen_string_literal: true
 
-require 'puppet/type/file/owner'
-require 'puppet/type/file/group'
-require 'puppet/type/file/mode'
+# require 'puppet/type/file/owner'
+# require 'puppet/type/file/group'
+# require 'puppet/type/file/mode'
+Puppet::Type.type(:file)
 require 'puppet/util/checksums'
 
 Puppet::Type.newtype(:concat_file) do