WooCommerce : Append number of cart items into ajax response when add or delete product

WooCommerce

add_filter( 'woocommerce_add_to_cart_fragments', 'siaeb_change_cart_fragments' );

		function siaeb_change_cart_fragments($args) {
			$args['items'] = [
				'count' => WC()->cart->get_cart_contents_count(),
			];
			return $args;
		}