fixed typing error

Author: transistive

src/Formatter/Specialised/BoltOGMTranslator.php

@@ -127,7 +127,10 @@ private function makeFromBoltLocalDateTime(BoltLocalDateTime $time): LocalDateTi
 
     private function makeBoltTimezoneIdentifier(BoltDateTimeZoneId $time): DateTimeZoneId
     {
-        return new DateTimeZoneId($time->seconds(), $time->nanoseconds(), $time->tz_id());
+        /** @var non-empty-string $tzId */
+        $tzId = $time->tz_id();
+
+        return new DateTimeZoneId($time->seconds(), $time->nanoseconds(), $tzId);
     }
 
     private function makeFromBoltDuration(BoltDuration $duration): Duration

src/Types/DateTimeZoneId.php

@@ -34,6 +34,9 @@
  */
 final class DateTimeZoneId extends AbstractPropertyObject implements BoltConvertibleInterface
 {
+    /**
+     * @param non-empty-string $tzId
+     */
     public function __construct(
         private int $seconds,
         private int $nanoseconds,