Slack: Grant masteradhoc announce access in #core-passwords.

Fixes #8192.

git-svn-id: https://meta.svn.wordpress.org/sites/trunk@14816 74240141-8908-4e6f-9713-ba540dce6ec7

Author: dd32

common/includes/slack/announce/config.php

@@ -259,6 +259,7 @@ function get_whitelist() {
 		) ),
 		'core-passwords' => array_merge( get_committers(), array(
 			'georgestephanis',
+			'masteradhoc',
 			'valendesigns',
 		) ),
 		'core-php' => array_merge( get_committers(), array(