(CAT-2009) Update facterdb to 2.1.x and rspec-puppet-facts to 4.x

config_defaults.yml

@@ -521,11 +521,11 @@ Gemfile:
       - gem: 'voxpupuli-puppet-lint-plugins'
         version: '~> 5.0'
       - gem: 'facterdb'
-        version: '~> 1.26'
+        version: '~> 2.1'
       - gem: 'metadata-json-lint'
         version: '~> 4.0'
       - gem: 'rspec-puppet-facts'
-        version: '~> 3.0'
+        version: '~> 4.0'
       - gem: 'dependency_checker'
         version: '~> 1.0.0'
       - gem: 'parallel_tests'