fix program url

quasar.conf.js

@@ -73,7 +73,7 @@ module.exports = function(ctx) {
       },
       env: {
         SCHEDULE_URL:
-          "http://localhost:8000/democon/schedule/export/schedule.json",
+          "https://pretalx.hedonist-international.org/worldcongress-2022/schedule/export/schedule.json",
       }
     },