Affect /live endpoint instead of /ready

Author: Christian Paul

mautrix_telegram/__main__.py

@@ -168,9 +168,9 @@ async def count_logged_in_users(self) -> int:
     def update_bridge_readiness(self):
         for portal in Portal.all():
             if portal.latest_event_timestamp and portal.latest_event_timestamp < time() - PORTAL_INACTIVE_THRESHOLD:
-                self.az.ready = False
+                self.az.live = False
                 return
-        self.az.ready = True
+        self.az.live = True
 
     async def _update_active_puppet_metric(self) -> None:
         active_users = UserActivity.get_active_count(