Update CHANGELOG

Author: Turbo87

CHANGELOG.md

@@ -1,3 +1,15 @@
+## v2.0.0 (2017-10-03)
+
+#### :rocket: Enhancement
+* [#52](https://github.com/ember-cli/broccoli-uglify-sourcemap/pull/52) Update dependencies. ([@Turbo87](https://github.com/Turbo87))
+
+#### :house: Internal
+* [#50](https://github.com/ember-cli/broccoli-uglify-sourcemap/pull/50) Replace Mocha/Chai with Jest. ([@Turbo87](https://github.com/Turbo87))
+
+#### Committers: 1
+- Tobias Bieniek ([Turbo87](https://github.com/Turbo87))
+
+
 ## v2.0.0-beta.2 (2017-07-10)
 
 #### :boom: Breaking Change