Update puppet_metadata to ~> 4.0 and voxpupuli-acceptance to ~> 3.0

(cherry picked from commit 5f38479)

Gemfile

@@ -10,9 +10,9 @@ gem 'kafo_module_lint', {"groups"=>["test"]}
 gem 'puppet-lint-spaceship_operator_without_tag-check', '~> 1.0', {"groups"=>["test"]}
 gem 'voxpupuli-test', '~> 7.0', {"groups"=>["test"]}
 gem 'github_changelog_generator', '>= 1.15.0', {"groups"=>["development"]}
-gem 'puppet_metadata', '~> 3.3'
+gem 'puppet_metadata', '~> 4.0'
 gem 'puppet-blacksmith', '>= 6.0.0', {"groups"=>["development"]}
-gem 'voxpupuli-acceptance', '~> 2.0', {"groups"=>["system_tests"]}
+gem 'voxpupuli-acceptance', '~> 3.0', {"groups"=>["system_tests"]}
 gem 'puppetlabs_spec_helper', {"groups"=>["system_tests"]}
 gem 'webmock', '~> 2.0'
 gem 'oauth'