build(deps-dev): bump prettier from 2.0.5 to 2.1.0

Bumps [prettier](https://github.com/prettier/prettier) from 2.0.5 to 2.1.0.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/prettier@2.0.5...2.1.0)

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

package.json

@@ -102,7 +102,7 @@
     "jest": "~24.9.0",
     "lint-staged": "~10.2.0",
     "memdown": "~5.1.0",
-    "prettier": "~2.0.4",
+    "prettier": "~2.1.0",
     "redux-mock-store": "~1.5.4",
     "rimraf": "~3.0.2",
     "source-map-explorer": "^2.2.2",