SanitizingFunctionsTrait: add sanitize_url() to the list of sanitization functions

This function was previously deprecated, but has been resurrected in WP 6.1.

Refs:
* https://core.trac.wordpress.org/ticket/55852
* WordPress/WordPress-Coding-Standards 2031
* WordPress/WordPress-Coding-Standards 2189

Author: jrfnl

WordPress/Helpers/SanitizingFunctionsTrait.php

@@ -88,6 +88,7 @@ trait SanitizingFunctionsTrait {
 		'sanitize_title_for_query'   => true,
 		'sanitize_title_with_dashes' => true,
 		'sanitize_title'             => true,
+		'sanitize_url'               => true,
 		'sanitize_user_field'        => true,
 		'sanitize_user'              => true,
 		'validate_file'              => true,