Fix unit tests

Author: hgreebe

cookbooks/aws-parallelcluster-platform/resources/fabric_manager/fabric_manager_ubuntu20+.rb

@@ -20,7 +20,7 @@
 use 'partial/_fabric_manager_install_debian.rb'
 
 def fabric_manager_package
-  'nvidia-fabricmanager-550'
+  'nvidia-fabricmanager-570'
 end
 
 def fabric_manager_version

cookbooks/aws-parallelcluster-platform/spec/unit/recipes/cuda_spec.rb

@@ -1,10 +1,10 @@
 require 'spec_helper'
 
 describe 'aws-parallelcluster-platform::cuda' do
-  cached(:cuda_version) { '12.4' }
-  cached(:cuda_patch) { '1' }
+  cached(:cuda_version) { '12.8' }
+  cached(:cuda_patch) { '0' }
   cached(:cuda_complete_version) { "#{cuda_version}.#{cuda_patch}" }
-  cached(:cuda_version_suffix) { '550.54.15' }
+  cached(:cuda_version_suffix) { '5570.86.15' }
 
   context 'when nvidia not enabled' do
     cached(:chef_run) do