Fix offenses introduced by Style/OpenStructUse `stub_feature_flags_spec`

.rubocop_manual_todo.yml

@@ -2629,6 +2629,5 @@ Style/OpenStructUse:
     - 'spec/support/shared_examples/controllers/githubish_import_controller_shared_examples.rb'
     - 'spec/support/shared_examples/requests/api/nuget_packages_shared_examples.rb'
     - 'spec/support/shared_examples/requests/api/pypi_packages_shared_examples.rb'
-    - 'spec/support_specs/helpers/stub_feature_flags_spec.rb'
     - 'spec/tooling/rspec_flaky/flaky_example_spec.rb'
     - 'tooling/rspec_flaky/flaky_example.rb'

spec/support_specs/helpers/stub_feature_flags_spec.rb

@@ -97,7 +97,7 @@ RSpec.describe StubFeatureFlags do
     context 'type handling' do
       context 'raises error' do
         where(:feature_actors) do
-          ['string', 1, 1.0, OpenStruct.new]
+          ['string', 1, 1.0, Object.new]
         end
 
         with_them do