Update "Fulminating Sandstorm" event link/image

Author: Tibowl

src/data/events.json

@@ -2534,7 +2534,8 @@
     {
         "name": "\"Fulminating Sandstorm\" Event",
         "type": "In-game",
-        "img": "https://i.imgur.com/kRXYCSx.png",
+        "link": "https://www.hoyolab.com/article/17813963",
+        "img": "https://upload-os-bbs.hoyolab.com/upload/2023/04/18/a0e6908e1ed0ac79ab80f0e34306168b_8476831081034323513.jpg",
         "start": "2023-04-21 10:00:00",
         "end": "2023-05-01 03:59:00",
         "reminder": "end"