update documentation

Author: web-flow

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

@@ -19,6 +19,10 @@
 
 # Bug Fixes
 
+* [Fixed a bug](https://github.com/lightningnetwork/lnd/pull/8857) to correctly 
+  propagate mission control and debug level config values to the main LND config
+  struct so that the GetDebugInfo response is accurate.
+
 # New Features
 ## Functional Enhancements
 ## RPC Additions
@@ -53,4 +57,5 @@
 
 # Contributors (Alphabetical Order)
 
+* Pins
 * Ziggie