Add npm tests back to the reliable test suite

qa/qa/specs/features/browser_ui/5_package/package_registry/npm/npm_instance_level_spec.rb

 # frozen_string_literal: true
 
 module QA
-  RSpec.describe 'Package Registry', :orchestrated, :packages, :object_storage do
+  RSpec.describe 'Package Registry', :orchestrated, :reliable, :packages, :object_storage do
     describe 'npm instance level endpoint' do
       using RSpec::Parameterized::TableSyntax
       include Runtime::Fixtures

qa/qa/specs/features/browser_ui/5_package/package_registry/npm/npm_project_level_spec.rb

 # frozen_string_literal: true
 
 module QA
-  RSpec.describe 'Package Registry', :orchestrated, :packages, :object_storage do
+  RSpec.describe 'Package Registry', :orchestrated, :reliable, :packages, :object_storage do
     describe 'npm project level endpoint' do
       using RSpec::Parameterized::TableSyntax
       include Runtime::Fixtures