Sitemaps: Add missing _deprecated_function() call to newly deprecat…

…ed method.

Follow-up to [59228].

See #61931.

git-svn-id: https://develop.svn.wordpress.org/trunk@59229 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/sitemaps/class-wp-sitemaps.php

@@ -229,6 +229,8 @@ public function render_sitemaps() {
 	 * @return bool Bypass value.
 	 */
 	public function redirect_sitemapxml( $bypass, $query ) {
+		_deprecated_function( __FUNCTION__, '6.7.0' );
+
 		// If a plugin has already utilized the pre_handle_404 function, return without action to avoid conflicts.
 		if ( $bypass ) {
 			return $bypass;