[App-server] v2 for account/updated and account/logout (#6175)

V2 for `account/updated` and `account/logout` for app server. correspond
to old `authStatusChange` and `LogoutChatGpt` respectively. Followup PRs
will make other v2 endpoints call `account/updated` instead of
`authStatusChange` too.

codex-rs/app-server-protocol/src/export.rs

@@ -44,6 +44,7 @@ macro_rules! for_each_schema_type {
         $macro!(crate::ArchiveConversationParams);
         $macro!(crate::ArchiveConversationResponse);
         $macro!(crate::AuthMode);
+        $macro!(crate::AccountUpdatedNotification);
         $macro!(crate::AuthStatusChangeNotification);
         $macro!(crate::CancelLoginChatGptParams);
         $macro!(crate::CancelLoginChatGptResponse);