Merge pull request #737 from lightninglabs/docs-lnd

Update lnd documentation

Author: github-actions[bot]

docs/lnd/release-notes/release-notes-0.18.4.md

@@ -35,6 +35,7 @@ types in a series of changes:
   * https://github.com/lightningnetwork/lnd/pull/9095
   * https://github.com/lightningnetwork/lnd/pull/8960
   * https://github.com/lightningnetwork/lnd/pull/9194
+  * https://github.com/lightningnetwork/lnd/pull/9288
 
 ## Functional Enhancements
 

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

@@ -56,6 +56,9 @@
 
 * [Fixed a case](https://github.com/lightningnetwork/lnd/pull/9258) where the
   confirmation notification may be missed.
+  
+* [Make the contract resolutions for the channel arbitrator optional](
+  https://github.com/lightningnetwork/lnd/pull/9253)
 
 # New Features
 ## Functional Enhancements