debug: Add missing "use DateTimeZone" in LegacyLogger.php

Seen in fatal.log in production: ErrorException from line 264 of
/srv/mediawiki/php-1.26wmf1/includes/exception/MWExceptionHandler.php:
Fatal Error: Class undefined: MediaWiki\Logger\DateTimeZone

Bug: T95727
Change-Id: Icb303314caaef47ac767fbf593e92d09e818f147

diff --git a/includes/debug/logger/LegacyLogger.php b/includes/debug/logger/LegacyLogger.php
index 9cf104a..edaef4a 100644 (file)
--- a/includes/debug/logger/LegacyLogger.php
+++ b/includes/debug/logger/LegacyLogger.php
@@ -20,6 +20,7 @@
 
 namespace MediaWiki\Logger;
 
+use DateTimeZone;
 use MWDebug;
 use Psr\Log\AbstractLogger;
 use Psr\Log\LogLevel;