Update CHANGELOG for v1.0.80.46840

***NO_CI***

Author: nfbot

CHANGELOG.md

@@ -1,8 +1,8 @@
 # Changelog
 
-## [**Changes available only in 'Preview' NuGet packages:**](https://github.com/nanoframework/lib-CoreLibrary/tree/HEAD)
+## [v1.10.3-preview.4](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.10.3-preview.4) (2021-03-21)
 
-[Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.0.80...HEAD)
+[Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.0.80...v1.10.3-preview.4)
 
 **Fixed bugs:**
 
@@ -65,19 +65,19 @@
 
 ## [v1.9.1-preview.4](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.9.1-preview.4) (2020-10-20)
 
-[Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.9.0-alpha.11...v1.9.1-preview.4)
+[Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.9.0-preview.11...v1.9.1-preview.4)
 
 **Implemented enhancements:**
 
 - Add Enum.HasFlag [\#112](https://github.com/nanoframework/lib-CoreLibrary/pull/112)
 
-## [v1.9.0-alpha.11](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.9.0-alpha.11) (2020-10-20)
+## [v1.9.0-preview.11](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.9.0-preview.11) (2020-10-20)
 
-[Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.9.0-preview.11...v1.9.0-alpha.11)
+[Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.9.0-alpha.11...v1.9.0-preview.11)
 
-## [v1.9.0-preview.11](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.9.0-preview.11) (2020-10-20)
+## [v1.9.0-alpha.11](https://github.com/nanoframework/lib-CoreLibrary/tree/v1.9.0-alpha.11) (2020-10-20)
 
-[Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.9.0-preview.5...v1.9.0-preview.11)
+[Full Changelog](https://github.com/nanoframework/lib-CoreLibrary/compare/v1.9.0-preview.5...v1.9.0-alpha.11)
 
 **Implemented enhancements:**