Require beaker_puppet_helpers 1.3+ for bolt_supported?

Version 1.3.0 comes with a new bolt_supported? helper. Puppet modules
don't directly depend on beaker_puppet_helpers, so by requiring it here
we can give a guarantee. Then the Puppet module can depend on a new
enough voxpupuli-acceptance.

voxpupuli-acceptance.gemspec

@@ -20,7 +20,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'beaker-docker', '~> 2.1'
   s.add_runtime_dependency 'beaker-hiera', '~> 1.0'
   s.add_runtime_dependency 'beaker-hostgenerator', '~> 2.2'
-  s.add_runtime_dependency 'beaker_puppet_helpers', '~> 1.0'
+  s.add_runtime_dependency 'beaker_puppet_helpers', '~> 1.3'
   s.add_runtime_dependency 'beaker-rspec', '~> 8.0', '>= 8.0.1'
   s.add_runtime_dependency 'beaker-vagrant', '~> 1.2'
   s.add_runtime_dependency 'puppet-modulebuilder', '~> 1.0'