Adjust class name to be more generic and reusable

app/components/bulk_upload_error_row_component.html.erb

@@ -56,7 +56,7 @@
                   <% row.with_cell(text: error.cell) %>
                   <% row.with_cell(text: question_for_field(error.field)) %>
                   <% if index == 0 %>
-                    <% row.with_cell(text: error_message, rowspan: errors.size, html_attributes: { class: "govuk-!-font-weight-bold bulk-upload-error-message" }) %>
+                    <% row.with_cell(text: error_message, rowspan: errors.size, html_attributes: { class: "govuk-!-font-weight-bold grouped-multirow-cell" }) %>
                   <% end %>
                   <% row.with_cell(text: error.field.humanize) %>
                 <% end %>

app/frontend/styles/application.scss

@@ -92,6 +92,6 @@ $govuk-breakpoints: (
 }
 
 .grouped-rows.last-row td,
-.grouped-rows .bulk-upload-error-message {
+.grouped-rows .grouped-multirow-cell {
   border-bottom: 1px solid #b1b4b6;
 }