Need to keep 10 most recent post with term

/*Add terms to posts */

add_action( 'save_post', 'total_set_default_object_terms', 11, 2 );
function total_set_default_object_terms( $post_id, $post ) {
  if ( 'publish' === $post->post_status) {
    $position = 1;
    $args = [
      'numberposts' => -1,
      'order' 			=> 'DESC',
      'orderby' 		=> 'date',
      'post_type' 	=> 'post',
      //'taxonomy' => 'episode_type',
      'tax_query' => array(
					array(
					'taxonomy' => 'episode_type',
					'field' => 'id',
					'terms' => array( '174' ),
					'operator' => 'NOT IN',
					),
					),
						];
						
						
    $posts = get_posts( $args );// query posts that are episodes in descending publish date order
    foreach($posts as $post) {
      if ($position > 10) {
        wp_set_object_terms($post->ID, 'premium', 'episode_type', false);
      }
             
      $taxonomies = get_object_taxonomies( $post->post_type );
      
      $position++;
     }
  }
}

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