Update CHANGELOG to document the addition of searchExternalLocations configuration via App Config in version 1.96.21

Author: matbmapspeople

packages/map-template/CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.96.21] - 2026-03-31
+
+### Fixed
+
+- `searchExternalLocations` can be now also set via App Config.
+
 ## [1.96.20] - 2026-03-27
 
 ### Fixed