Update CHANGELOG for v1.3.3

***NO_CI***

Author: nfbot

CHANGELOG.md

@@ -2,7 +2,17 @@
 
 ## [**Changes available only in 'Preview' NuGet packages:**](https://github.com/nanoframework/lib-nanoFramework.System.Net.Http/tree/HEAD)
 
-[Full Changelog](https://github.com/nanoframework/lib-nanoFramework.System.Net.Http/compare/v1.3.3-preview.47...HEAD)
+[Full Changelog](https://github.com/nanoframework/lib-nanoFramework.System.Net.Http/compare/v1.3.3-preview.50...HEAD)
+
+**Documentation and other chores:**
+
+- Bumps nanoFramework.System.Net from 1.6.3-preview.29 to 1.6.3-preview.33 [\#162](https://github.com/nanoframework/lib-nanoFramework.System.Net.Http/pull/162)
+- Update 4 NuGet dependencies [\#161](https://github.com/nanoframework/lib-nanoFramework.System.Net.Http/pull/161)
+- Update 4 NuGet dependencies [\#160](https://github.com/nanoframework/lib-nanoFramework.System.Net.Http/pull/160)
+
+## [v1.3.3-preview.50](https://github.com/nanoframework/lib-nanoFramework.System.Net.Http/tree/v1.3.3-preview.50) (2021-01-19)
+
+[Full Changelog](https://github.com/nanoframework/lib-nanoFramework.System.Net.Http/compare/v1.3.3-preview.47...v1.3.3-preview.50)
 
 **Implemented enhancements:**
 
@@ -591,10 +601,6 @@
 
 [Full Changelog](https://github.com/nanoframework/lib-nanoFramework.System.Net.Http/compare/v1.0.6-preview.4...v1.0.6-preview.6)
 
-**Documentation and other chores:**
-
-- Bumps nanoFramework.System.Net from 1.1.0-preview.1 to 1.1.1-preview.1 [\#32](https://github.com/nanoframework/lib-nanoFramework.System.Net.Http/pull/32)
-
 ## [v1.0.6-preview.4](https://github.com/nanoframework/lib-nanoFramework.System.Net.Http/tree/v1.0.6-preview.4) (2019-06-05)
 
 [Full Changelog](https://github.com/nanoframework/lib-nanoFramework.System.Net.Http/compare/v1.0.6-preview.2...v1.0.6-preview.4)
@@ -625,6 +631,7 @@
 
 **Documentation and other chores:**
 
+- Bumps nanoFramework.System.Net from 1.1.0-preview.1 to 1.1.1-preview.1 [\#32](https://github.com/nanoframework/lib-nanoFramework.System.Net.Http/pull/32)
 - Update 3 NuGet dependencies [\#27](https://github.com/nanoframework/lib-nanoFramework.System.Net.Http/pull/27)
 
 ## [v1.0.5-preview-031](https://github.com/nanoframework/lib-nanoFramework.System.Net.Http/tree/v1.0.5-preview-031) (2019-04-07)