Fix pre-suite action

> facter/.github/actions/presuite.rb:40:in `platform_with_options': undefined method `include?' for nil:NilClass (NoMethodError)
>   return "\"#{platform}{hypervisor=none,hostname=localhost,is_cygwin=false}\"" if platform.include? 'windows'

Author: smortex

.github/actions/presuite.rb

@@ -33,6 +33,7 @@ def beaker_platform
     'windows-2016' => 'windows2016-64a',
     'windows-2019' => 'windows2019-64a',
     'windows-2022' => 'windows2022-64a',
+    'windows-2025' => 'windows2025-64a',
   }[HOST_PLATFORM]
 end