docs: add release notes.

Signed-off-by: Nishant Bansal <[email protected]>

Author: NishantBansal2003

docs/release-notes/release-notes-0.19.0.md

@@ -168,6 +168,14 @@ close transaction.
   [changed](https://github.com/lightningnetwork/lnd/pull/9627) so the sweeper
   will always attempt the sweep as long as the budget can be partially covered.
 
+* [Add](https://github.com/lightningnetwork/lnd/pull/9677) 
+  `ConfirmationUntilConfirmed` field to the 
+  `PendingChannelsResponse_PendingChannel` message, providing users with the 
+  number of confirmations remaining before a pending channel becomes active. 
+  This change also persists the channel's short channel ID in the database once 
+  its funding transaction receives one confirmation, allowing tracking of 
+  confirmation progress even before the channel is fully open.
+
 ## RPC Additions
 
 * [Add a new rpc endpoint](https://github.com/lightningnetwork/lnd/pull/8843)