(maint) Mark additional Windows 11 test as pending

This is a follow up to commit f621463

Author: joshcooper

acceptance/tests/resource/user/should_modify_while_managing_home.rb

@@ -11,6 +11,8 @@
 require 'puppet/acceptance/windows_utils'
 extend Puppet::Acceptance::WindowsUtils
 
+pending_test("Windows 11 backslashes") if agents.any? { |host| host['platform'] =~ /windows-11/ }
+
 name = "pl#{rand(999999).to_i}"
 pw = "Passwrd-#{rand(999999).to_i}"[0..11]