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

Author: renovate-bot

package.json

@@ -48,7 +48,7 @@
     "husky": "0.14.3",
     "jest": "22.4.3",
     "lint-staged": "7.1.0",
-    "prettier": "1.12.1"
+    "prettier": "1.17.1"
   },
   "babel": {
     "presets": ["es2015", "stage-0"],

yarn.lock

@@ -3904,9 +3904,9 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-prettier@1.12.1:
-  version "1.12.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.12.1.tgz#c1ad20e803e7749faf905a409d2367e06bbe7325"
+prettier@1.17.1:
+  version "1.17.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.17.1.tgz#ed64b4e93e370cb8a25b9ef7fef3e4fd1c0995db"
 
 pretty-format@^22.4.0:
   version "22.4.0"