Docs: Correct parameter name for `wp_new_user_notification_email_admin` filter.

Props needle.
Fixes #47476.
Built from https://develop.svn.wordpress.org/trunk@45489


git-svn-id: http://core.svn.wordpress.org/trunk@45300 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/pluggable.php

@@ -1924,7 +1924,7 @@ if ( ! function_exists( 'wp_new_user_notification' ) ) :
 			 *
 			 * @since 4.9.0
 			 *
-			 * @param array   $wp_new_user_notification_email {
+			 * @param array   $wp_new_user_notification_email_admin {
 			 *     Used to build wp_mail().
 			 *
 			 *     @type string $to      The intended recipient - site admin email address.

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-alpha-45488';
+$wp_version = '5.3-alpha-45489';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.