Bump prettier from 1.14.2 to 1.17.1

Bumps [prettier](https://github.com/prettier/prettier) from 1.14.2 to 1.17.1.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/prettier@1.14.2...1.17.1)

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

package.json

@@ -113,7 +113,7 @@
     "enzyme-adapter-react-16": "^1.1.1",
     "husky": "^1.3.1",
     "local-cors-proxy": "^1.0.2",
-    "prettier": "^1.12.0",
+    "prettier": "^1.17.1",
     "react-scripts-ts": "^2.16.0",
     "react-test-renderer": "^16.3.1",
     "typescript": "^2.8.1"