docs: update release notes for fundpsbt max_fee_ratio

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

@@ -48,12 +48,18 @@
   `BumpForceCloseFee` which moves the functionality soley available in the
   `lncli` to LND hence making it more universal.
 
+* [The `walletrpc.FundPsbt` method now has a new option to specify the maximum
+  fee to output amounts ratio.](https://github.com/lightningnetwork/lnd/pull/8600)
+
 ## lncli Additions
 
 * [A pre-generated macaroon root key can now be specified in `lncli create` and
   `lncli createwatchonly`](https://github.com/lightningnetwork/lnd/pull/9172) to
   allow for deterministic macaroon generation.
 
+* The `lncli wallet fundpsbt` command now has a [`--max_fee_ratio` argument to
+  specify the max fees to output amounts ratio.](https://github.com/lightningnetwork/lnd/pull/8600)
+
 # Improvements
 ## Functional Updates
 
@@ -143,6 +149,7 @@
 * Boris Nagaev
 * CharlieZKSmith
 * Elle Mouton
+* George Tsagkarelis
 * Pins
 * Viktor Tigerström
 * Ziggie