docs: update changelog for 0.6.1 release

changelog.md

@@ -5,6 +5,13 @@ 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 will adhere to [Semantic Versioning](https://semver.org/spec/v2.0.0.html) when it reaches `v1.0.0`.
 
+## [0.6.1] - 2019-10-07
+
+### Changes
+
+- Upgrade dependencies
+- Use `Object.create(null)` instead of `{}` throughout the codebase.
+
 ## [0.6.0] - 2019-09-25
 
 ### Added
@@ -195,7 +202,8 @@ This is a large breaking change and may cause a lot of your existing code to sto
 - Fixes missing TypeScript definitions #77.
 - Fixes crash when rendering a ReactNodeView in NextJS #75.
 
-[unreleased]: https://github.com/ifiokjr/remirror/compare/v0.6.0...HEAD
+[unreleased]: https://github.com/ifiokjr/remirror/compare/v0.6.1...HEAD
+[0.6.1]: https://github.com/ifiokjr/remirror/compare/v0.6.0...v0.6.1
 [0.6.0]: https://github.com/ifiokjr/remirror/compare/v0.5.0...v0.6.0
 [0.5.0]: https://github.com/ifiokjr/remirror/compare/v0.4.1...v0.5.0
 [0.4.1]: https://github.com/ifiokjr/remirror/compare/v0.4.0...v0.4.1