add GlobalCtxEvent::PeerInfoUpdated, issue this event in do_sync_route_info

fix use in peer_ospf_route.rs

easytier/src/common/global_ctx.rs

@@ -47,6 +47,8 @@ pub enum GlobalCtxEvent {
     PeerConnAdded(PeerConnInfo),
     PeerConnRemoved(PeerConnInfo),
 
+    PeerInfoUpdated(Vec<PeerId>),
+
     ListenerAdded(url::Url),
     ListenerAddFailed(url::Url, String), // (url, error message)
     ListenerAcceptFailed(url::Url, String), // (url, error message)