Update import URL for 38c3 to combined hub feed (only curated)

db/seeds.rb

@@ -52,7 +52,7 @@ Conference.find_or_create_by!(slug: "38c3") do |c|
   c.starts_at = DateTime.parse("27 December 2024 10:30 CET")
   c.ends_at = DateTime.parse("30 December 2024 19:00 CET")
   c.data = {
-    "schedule_url" => "https://fahrplan.events.ccc.de/congress/2024/fahrplan/schedule/export/schedule.json"
+    "schedule_url" => "https://api.events.ccc.de/congress/2024/assembly/6840c453-af5c-413c-8127-adcbdcd98e9e/schedule.json"
   }
   c.import_job_class = "pretalx"
   c.location = "Congress Center Hamburg"