chore(deps): update dependency berkshelf to '~> 8.1.0'

Author: renovate[bot]

Gemfile

@@ -2,7 +2,7 @@ source 'https://rubygems.org' do
   gem 'rubocop', '~> 1.79.1'
   gem 'overcommit', '~> 0.68.0'
   gem 'cookstyle', '~> 8.4.0'
-  gem 'berkshelf', '~> 8.0.22'
+  gem 'berkshelf', '~> 8.1.0'
   gem 'test-kitchen', '~> 3.8.0'
   gem 'kitchen-inspec', '~> 3.0.0'
   gem 'kitchen-docker', '~> 3.0.0'