chore(deps): update dependency prettier to v1.15.3

Author: renovate-bot

package.json

@@ -40,7 +40,7 @@
     "husky": "0.13.4",
     "jest": "20.0.4",
     "jest-react-native": "18.0.0",
-    "prettier": "1.4.4",
+    "prettier": "1.15.3",
     "react-test-renderer": "16.0.0-alpha.12",
     "validate-commit-msg": "2.10.1"
   },

yarn.lock

@@ -3630,9 +3630,9 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-prettier@1.4.4:
-  version "1.4.4"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.4.4.tgz#a8d1447b14c9bf67e6d420dcadd10fb9a4fad65a"
+prettier@1.15.3:
+  version "1.15.3"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.15.3.tgz#1feaac5bdd181237b54dbe65d874e02a1472786a"
 
 pretty-format@^20.0.3:
   version "20.0.3"