Bump prettier from 2.0.3 to 2.0.4

Bumps [prettier](https://github.com/prettier/prettier) from 2.0.3 to 2.0.4.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/prettier@2.0.3...2.0.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

package-lock.json

@@ -101,7 +101,7 @@
     "normalize.css": "^8.0.1",
     "nyc": "^15.0.1",
     "postcss-nested": "^4.2.1",
-    "prettier": "^2.0.3",
+    "prettier": "^2.0.4",
     "qunit-console-grouper": "^0.2.0",
     "qunit-dom": "^1.1.0",
     "sass": "^1.26.3",