Update Beaker to 6 and beaker-puppet to 4

Author: mhashizume

.sync.yml

@@ -3,7 +3,7 @@ Gemfile:
   optional:
     ":development":
       - gem: beaker
-        version: '~> 5.0'
+        version: '~> 6.0'
         from_env: BEAKER_VERSION
       - gem: beaker-abs
         from_env: BEAKER_ABS_VERSION
@@ -16,7 +16,7 @@ Gemfile:
       # beaker-puppet supports newer Rubies (PA-6136)
       - gem: beaker-puppet
         from_env: BEAKER_PUPPET_VERSION
-        version: '~> 3.0'
+        version: '~> 4.0'
         condition: Gem::Requirement.create('< 3.2.0').satisfied_by?(Gem::Version.new(RUBY_VERSION.dup))
       - gem: async
         version: '~> 1'

Gemfile

@@ -36,11 +36,11 @@ group :development do
   gem "rubocop-rspec", '= 2.19.0',                                             require: false
   gem "puppet-strings", '~> 4.0',                                              require: false
   gem "rb-readline", '= 0.5.5',                                                require: false, platforms: [:mswin, :mingw, :x64_mingw]
-  gem "beaker", *location_for(ENV['BEAKER_VERSION'] || '~> 5.0')
+  gem "beaker", *location_for(ENV['BEAKER_VERSION'] || '~> 6.0')
   gem "beaker-abs", *location_for(ENV['BEAKER_ABS_VERSION'] || '~> 1.0')
   gem "beaker-hostgenerator"
   gem "beaker-rspec"
-  gem "beaker-puppet", *location_for(ENV['BEAKER_PUPPET_VERSION'] || '~> 3.0') if Gem::Requirement.create('< 3.2.0').satisfied_by?(Gem::Version.new(RUBY_VERSION.dup))
+  gem "beaker-puppet", *location_for(ENV['BEAKER_PUPPET_VERSION'] || '~> 4.0') if Gem::Requirement.create('< 3.2.0').satisfied_by?(Gem::Version.new(RUBY_VERSION.dup))
   gem "async", '~> 1',                                                         require: false
   gem "beaker-module_install_helper",                                          require: false
   gem "beaker-puppet_install_helper",                                          require: false

metadata.json

@@ -57,7 +57,7 @@
       "version_requirement": ">= 6.0.0 < 9.0.0"
     }
   ],
-  "pdk-version": "3.0.1",
+  "pdk-version": "3.2.0",
   "template-url": "https://github.com/puppetlabs/pdk-templates#3.0.1",
   "template-ref": "tags/3.0.1-0-gd13288a"
 }