Update dependency prettier to v1.17.0

Author: renovate-bot

package-lock.json

@@ -50,7 +50,7 @@
     "husky": "1.3.1",
     "jest": "24.7.1",
     "lint-staged": "8.1.5",
-    "prettier": "1.16.4",
+    "prettier": "1.17.0",
     "prettier-eslint": "8.8.2",
     "prettier-eslint-cli": "4.7.1",
     "react": "16.8.6",