fix(User\Manager): Avoid future collisions with updater/audit logs

Avoid future collisions for not yet created updater and audit log files (at least using default names).

Signed-off-by: Josh <josh.t.richards@gmail.com>

lib/private/User/Manager.php

@@ -768,6 +768,8 @@ class Manager extends PublicEmitter implements IUserManager {
 			'.ocdata',
 			'owncloud.log',
 			'nextcloud.log',
+			'updater.log',
+			'audit.log',
 			$appdata], true)) {
 			return false;
 		}