Drupal9 - Create field_group from drush command

OpiToolsCommands.php

<?php

namespace Drupal\opitools\Commands;

use Drush\Commands\DrushCommands;
use Drupal\Core\Language\LanguageInterface;

/**
 * A Drush commandfile.
 *
 * In addition to this file, you need a drush.services.yml
 * in root of your module, and a composer.json file that provides the name
 * of the services file to use.
 */
class OpiToolsCommands extends DrushCommands {


  /**
   * Create field_group.
   *
   * @param string $bundle
   *   Node bundle.
   *
   * @param string $context
   *   Context: view / form. Ex: 'form', 'form:default', 'view:full', etc.
   *
   * @param string $label
   *   Field group label.
   *
   * @command opitools:create-field-group
   *
   * @example opitools:create-field-group mybundle context:mode Label (context is form/view, mode is default or view_mode)
   */
  public function createFieldGroup($bundle, $context, $label) {
    $mode = 'default';
    if (strpos($context, ':')) {
      list($context, $mode) = explode(':', $context);
    }

    $new_group = (object) [
      "group_name" => $this->getMachineName("group_" . $label),
      "entity_type" => "node",
      "bundle" => $bundle,
      "mode" => "default",
      "context" => $context,
      "children" => [],
      "parent_name" => "",
      "weight" => 20,
      "format_type" => "details",
      "region" => "hidden",
      "format_settings" => [
        "id" => "",
        "classes" => "",
        "description" => "",
        "open" => 0,
        "required_fields" => 1
      ],
      "label" => $label,
    ];

    field_group_group_save($new_group);
    $this->output()->writeln(t('New group @label ( @groupname ) successfully created.', [
      '@label' => $new_group->label,
      '@groupname' => $new_group->group_name,
    ]));
    \Drupal::cache()->invalidate('field_groups');
  }



  /**
   * Generates a machine name from a string.
   *
   * This is basically the same as what is done in
   * \Drupal\Core\Block\BlockBase::getMachineNameSuggestion() and
   * \Drupal\system\MachineNameController::transliterate(), but it seems
   * that so far there is no common service for handling this.
   *
   * @param string $string
   *
   * @return string
   *
   * @see \Drupal\Core\Block\BlockBase::getMachineNameSuggestion()
   * @see \Drupal\system\MachineNameController::transliterate()
   */
  protected function getMachineName($string) {
    $transliterated = \Drupal::transliteration()->transliterate($string, LanguageInterface::LANGCODE_DEFAULT, '_');
    $transliterated = mb_strtolower($transliterated);

    $transliterated = preg_replace('@[^a-z0-9_.]+@', '_', $transliterated);

    return $transliterated;
  }
}