docs(changelog): credit contributors whose fixes landed via parallel PRs (#5683)

* docs(changelog): credit @puneetdixit200 for GTK4 menu fix (#5539)

* docs(changelog): credit @x-haose for macOS screen-enumeration fix (#5584)

---------

Co-authored-by: Lea Anthony <lea.anthony@gmail.com>

Author: taliesin-ai

v3/UNRELEASED_CHANGELOG.md

@@ -24,6 +24,8 @@ After processing, the content will be moved to the main changelog and this file
 
 ## Fixed
 <!-- Bug fixes -->
+- Fix `Menu.Update()` not rebuilding the native menu on GTK4 Linux (#5659, independently diagnosed and fixed by @puneetdixit200 in #5539)
+- Fix crash enumerating macOS screens on display change by copying screen id/name strings and snapshotting the count (#5565, independently diagnosed and fixed by @x-haose in #5584)
 
 ## Deprecated
 <!-- Soon-to-be removed features -->