Add new action for cocoapods cache cleanup.
user
```ruby
module Fastlane
  module Actions
    class CleanCocoapodsCacheAction < Action
      def self.run(params)
        Actions.verify_gem!('cocoapods')
        
        cmd = ['pod cache clean']

        cmd << "#{params[:name]}" if params[:name]
        cmd << '--all'
      end

      def self.description
        "Remove the cache for pods"
      end

      def self.available_options
        [
          FastlaneCore::ConfigItem.new(key: :name,
                                       env_name: "FL_CLEAN_COCOAPODS_CACHE_DEVELOPMENT",
                                       description: "Pod name to be removed from cache",
                                       optional: true,
                                       is_string: true,
                                       verify_block: proc do |value|
                                          raise "You must specify pod name which should be removed from cache".red unless (value and not value.empty?)
                                       end)
        ]
      end

      def self.authors
        ["alexmx"]
      end

      def self.is_supported?(platform)
        [:ios, :mac].include? platform
      end
    end
  end
end
```
assistant