layouts--3.html.twig in Dashboards with Layout Builder 8

<section {{ attributes.addClass('layouts-dashboards-3', 'layouts-dashboards') }}>
{% if content.one %}
  <div class="drow">
    <div {{ region_attributes.one }}>
      {{ content.one }}
    </div>
  </div>
  {% endif %}
  {% if content.two %}
  <div class="drow">
    <div {{ region_attributes.two }}>
      {{ content.two }}
    </div>
  </div>
  {% endif %}
</section>