middlebury_profile_sync.module.php

<?php

$photo_dir = file_default_scheme() . '://middlebury_profile_sync';
if ($profile->hasPhoto() && file_prepare_directory($photo_dir)) {
  $photo = $profile->getPhoto();
  $id = $profile->getId();
  $destination = $photo_dir . '/' . $id . '.' . pathinfo($photo, PATHINFO_EXTENSION);

  $file = system_retrieve_file($photo, $destination, TRUE, FILE_EXISTS_REPLACE);

  $media = Media::create([
    'bundle' => 'image',
    'uid' => \Drupal::currentUser()->id(),
    'langcode' => \Drupal::languageManager()->getDefaultLanguage()->getId(),
    'status' => Media::PUBLISHED,
    'field_image' => [
      'target_id' => $file->id(),
      'alt' => t('Photo of ' . $node->title->value),
      'title' => t('Photo of ' . $node->title->value),
    ],
  ]);
  $media->save();

  $node->field_featured_image = ['target_id' => $media->id()];
}

$node->save();