Update CHANGELOG for v1.5.83

***NO_CI***

Author: nfbot

CHANGELOG.md

@@ -2,7 +2,15 @@
 
 ## [**Changes available only in 'Preview' NuGet packages:**](https://github.com/nanoframework/System.Device.WiFi/tree/HEAD)
 
-[Full Changelog](https://github.com/nanoframework/System.Device.WiFi/compare/v1.5.79...HEAD)
+[Full Changelog](https://github.com/nanoframework/System.Device.WiFi/compare/v1.5.81...HEAD)
+
+**Documentation and other chores:**
+
+- Update 1 NuGet dependencies [\#269](https://github.com/nanoframework/System.Device.Wifi/pull/269)
+
+## [v1.5.81](https://github.com/nanoframework/System.Device.WiFi/tree/v1.5.81) (2024-04-08)
+
+[Full Changelog](https://github.com/nanoframework/System.Device.WiFi/compare/v1.5.79...v1.5.81)
 
 **Documentation and other chores:**