drupal11-ddev/web/core/modules/system/templates/block--local-actions-block.html.twig

{% extends "block.html.twig" %}
{#
/**
 * @file
 * Theme override for local actions (primary admin actions.)
 */
#}
{% block content %}
  {% if content %}
    <nav>{{ content }}</nav>
  {% endif %}
{% endblock %}