Promote Package Registry manager tests to reliable

Prior to this change, the package registry have been
running out of the reliable bucket and only
part of full runs mostly

This change bumps the 3 most used package managers
to reliable adding an extra gateway for deployments
when it comes to validating their fundamental functionality

qa/qa/specs/features/browser_ui/5_package/maven_repository_spec.rb

@@ -3,7 +3,7 @@
 require 'securerandom'
 
 module QA
-  RSpec.describe 'Package', :orchestrated, :packages do
+  RSpec.describe 'Package', :orchestrated, :packages, :reliable do
     describe 'Maven Repository' do
       include Runtime::Fixtures
 

qa/qa/specs/features/browser_ui/5_package/npm_registry_spec.rb

 # frozen_string_literal: true
 
 module QA
-  RSpec.describe 'Package', :orchestrated, :packages do
+  RSpec.describe 'Package', :orchestrated, :packages, :reliable do
     describe 'npm registry' do
       include Runtime::Fixtures
 

qa/qa/specs/features/browser_ui/5_package/nuget_repository_spec.rb

@@ -3,7 +3,7 @@
 require 'securerandom'
 
 module QA
-  RSpec.describe 'Package', :orchestrated, :packages do
+  RSpec.describe 'Package', :orchestrated, :packages, :reliable do
     describe 'NuGet Repository' do
       include Runtime::Fixtures
       let(:project) do