def instantiate_builder
      klass = TinyCI::Builders.const_get(@config[:builder][:class])
      klass.new(@config[:builder][:config].merge(target: export_path), logger: @logger)
    end
def instantiate_builder
      klass = TinyCI::Builders.const_get(@config[:builder][:class])
      klass.new(@config[:builder][:config].merge(target: export_path), logger: @logger)
    end
Instantiate the Builder object according to the class named in the config