fix($ci): test semantic-release

Author: faceyspacey

README.md

@@ -155,6 +155,8 @@ Most the code comes from the original Extract Text Webpack Plugin--the goal is t
 ## Contribution
 We use [commitizen](https://github.com/commitizen/cz-cli), so run `npm run commit` to make commits. A command-line form will appear, requiring you answer a few questions to automatically produce a nicely formatted commit. Releases, semantic version numbers, tags and changelogs will automatically be generated based on these commits thanks to [semantic-release](https://github.com/semantic-release/semantic-release).
 
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 [npm]: https://img.shields.io/npm/v/extract-css-chunks-webpack-plugin.svg
 [npm-url]: https://npmjs.com/package/extract-css-chunks-webpack-plugin