Docs: Document the parameters in WP_PHPMailer::setLanguage().

Follow-up to [59592].

Props dilipbheda, mukesh27, SergeyBiryukov.
Fixes #63368.
Built from https://develop.svn.wordpress.org/trunk@60232


git-svn-id: http://core.svn.wordpress.org/trunk@59568 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-phpmailer.php

@@ -32,6 +32,8 @@ class WP_PHPMailer extends PHPMailer\PHPMailer\PHPMailer {
 	 *
 	 * @since 6.8.0
 	 *
+	 * @param string $langcode  Optional. Unused. ISO 639-1 2-character language code. Default 'en'.
+	 * @param string $lang_path Optional. Unused. Path to the language file directory. Default empty string.
 	 * @return true Always returns true.
 	 */
 	public function setLanguage( $langcode = 'en', $lang_path = '' ) {

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.9-alpha-60231';
+$wp_version = '6.9-alpha-60232';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.