Update CHANGELOG 1.0.0-beta.0

CHANGELOG.md

@@ -1,6 +1,6 @@
 ## master
 
-### 0.9.0
+### 1.0.0-beta.0
 
 [BREAKING] - Will trigger deprecation warnings from autoprefixer if you still use the `browsers` key in `ember-cli-build`.  To maintain this approach, change the key name to `overrideBrowserslist`.  The preferred approach is now to use a `.browserlistrc` file, or add a `browserslist` item to your `package.json`.  See https://github.com/browserslist/browserslist#readme for more information.