docs: update release notes

Author: yyforyongyu

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

@@ -54,6 +54,9 @@
 * [Fixed a bug](https://github.com/lightningnetwork/lnd/pull/9275) where the
   peer may block the shutdown process of lnd.
 
+* [Fixed a case](https://github.com/lightningnetwork/lnd/pull/9258) where the
+  confirmation notification may be missed.
+
 # New Features
 ## Functional Enhancements
 ## RPC Additions
@@ -199,6 +202,10 @@ The underlying functionality between those two options remain the same.
 * Oliver Gugger
 * Pins
 * Viktor Tigerström
+<<<<<<< HEAD
 * Yong Yu
 * Ziggie
 
+=======
+* Ziggie
+>>>>>>> 5a6264b6a (docs: update release notes)