xp tracker: reduce hiscore lookup delay to 1 second

http-service/src/main/java/net/runelite/http/service/xp/XpTrackerService.java

@@ -208,7 +208,7 @@ public class XpTrackerService
 		}
 	}
 
-	@Scheduled(fixedDelay = 3000)
+	@Scheduled(fixedDelay = 1000)
 	public void update() throws ExecutionException
 	{
 		String next = nextUsername;