Flecha personalizada de WordPress Pagination

echo paginate_links( array(
  'base'         => str_replace( 999999999, '%#%', esc_url( get_pagenum_link( 999999999 ) ) ),
  'total'        => $query->max_num_pages,
  'current'      => max( 1, get_query_var( 'paged' ) ),
  'format'       => '?paged=%#%',
  'show_all'     => true,
  'type'         => 'plain',
  'end_size'     => 2,
  'mid_size'     => 1,
  'prev_next' => True,
  'prev_text' => __('<i class="fas fa-chevron-left"></i>'),
  'next_text' => __('<i class="fas fa-chevron-right"></i>'),

  'add_args'     => false,
  'add_fragment' => '',
) );
Dionoh