change meetup cover photo

Author: luxas

config.json

@@ -5337,7 +5337,7 @@
         },
         "20191128": {
           "id": 265529376,
-          "photo": "https://secure.meetupstatic.com/photos/event/7/8/7/f/highres_485610847.jpeg",
+          "photo": "https://secure.meetupstatic.com/photos/event/8/6/2/highres_486662146.jpeg",
           "name": "KubeCon Recap \u0026 Linkerd Deep Dive",
           "date": "2019-11-28T18:00:00Z",
           "duration": "3h0m0s",