Bump prettier from 1.19.1 to 2.0.2

Bumps [prettier](https://github.com/prettier/prettier) from 1.19.1 to 2.0.2.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/prettier@1.19.1...2.0.2)

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

package.json

@@ -17,7 +17,7 @@
     "autoprefixer": "^9.6.0",
     "browserslist": "^4.6.3",
     "postcss-cli": "^7.1.0",
-    "prettier": "^1.18.2",
+    "prettier": "^2.0.2",
     "sass": "^1.22.2"
   },
   "browserslist": [