chore(deps): update dependency prettier to v1.17.1 (#400)

Author: renovate[bot]

package-lock.json

@@ -58,7 +58,7 @@
     "jest": "24.8.0",
     "jest-junit": "6.4.0",
     "lint-staged": "8.1.6",
-    "prettier": "1.17.0",
+    "prettier": "1.17.1",
     "standard-version": "6.0.1",
     "supertest": "4.0.2",
     "webpack": "4.31.0"