Update CHANGELOG for v1.3.3

***NO_CI***

Author: nfbot

CHANGELOG.md

@@ -1,8 +1,8 @@
 # Changelog
 
-## [**Changes available only in 'Preview' NuGet packages:**](https://github.com/nanoframework/lib-nanoFramework.Hardware.Esp32/tree/HEAD)
+## [v1.3.2-preview.26](https://github.com/nanoframework/lib-nanoFramework.Hardware.Esp32/tree/v1.3.2-preview.26) (2021-03-08)
 
-[Full Changelog](https://github.com/nanoframework/lib-nanoFramework.Hardware.Esp32/compare/v1.3.2-preview.24...HEAD)
+[Full Changelog](https://github.com/nanoframework/lib-nanoFramework.Hardware.Esp32/compare/v1.3.2-preview.24...v1.3.2-preview.26)
 
 **Fixed bugs:**