main: update adsb url

src/main.rs

@@ -31,7 +31,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
 
         let aircrafts = aircrafts::Aircrafts::load("aircraftDatabase.csv");
         let locations = location::Locations::load("locations.json");
-        let mut events = adsb::run("https://adsb.hq.c3d2.de/data.json", locations);
+        let mut events = adsb::run("http://radiobert.serv.zentralwerk.org:8080/data.json", locations);
 
         while let Some(event) = events.recv().await {
             println!("event: {:?}", event);