Update dependency prettier to v1.14.2

Author: renovate-bot

package.json

@@ -23,6 +23,6 @@
     "mocha": "3.4.2",
     "nodemon": "1.11.0",
     "npm-run-all": "4.1.3",
-    "prettier": "1.12.1"
+    "prettier": "1.14.2"
   }
 }

yarn.lock

@@ -1582,9 +1582,9 @@ 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@1.14.2:
+  version "1.14.2"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.14.2.tgz#0ac1c6e1a90baa22a62925f41963c841983282f9"
 
 process-nextick-args@~1.0.6:
   version "1.0.7"