update interval reduced to30min, later will be configurable

custom_components/homeassistantedupage/__init__.py

@@ -104,7 +104,7 @@ async def fetch_data():
             _LOGGER,
             name="Edupage",
             update_method=fetch_data,
-            update_interval=timedelta(minutes=5),
+            update_interval=timedelta(minutes=30),
         )
         hass.data[DOMAIN][entry.entry_id] = coordinator