anchor.diff:          track_label: section["title"],
           track_dimension: number_of_accordion_sections,
           track_dimension_index: 26,
  -        gtm_event_name: "select_content",
  -        gtm_attributes: {
  +        ga4: {
  +          event_name: 'select_content',
             type: 'accordion',
             text: section["title"],
             index: index + 1,
  -          'index-total': number_of_accordion_sections,
  +          index_total: number_of_accordion_sections,
             section: 'n/a',
             action: 'n/a',
           }
  
positive.code:         module: "govuk-accordion"
        },
        data_attributes_show_all: {
          "gtm-event-name": "select_content",
          "gtm-attributes": show_all_attributes.to_json
        },
        items: accordion_contents,
        margin_bottom: 3
  
negative.code:   <div data-module="toggle-attribute">
      <%
        show_all_attributes = {
          event_name: "select_content",
          type: "accordion",
          index: 0,
          index_total: number_of_accordion_sections,
          section: "n/a"
        }
      %>
  