update to Puppet 8

Author: evgeni

.github/workflows/main.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Setup ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '2.7'
+          ruby-version: '3.1'
           bundler-cache: true
           working-directory: puppet
       - name: Install yajl-tools

puppet/Gemfile

@@ -3,7 +3,7 @@ source 'https://rubygems.org'
 gem 'puppet_metadata'
 gem 'semantic_puppet'
 
-gem 'puppet', '~> 7.0', '!= 7.29.0', require: false
+gem 'puppet', '~> 8.0', require: false
 gem 'puppet-lint', require: false
 gem 'puppet-lint-absolute_classname-check', require: false
 gem 'puppet-lint-classes_and_types_beginning_with_digits-check', require: false