Update dependency prettier to v1.16.4

package.json

@@ -96,7 +96,7 @@
     "karma-firefox-launcher": "1.1.0",
     "karma-jasmine": "2.0.1",
     "karma-webpack": "4.0.0-rc.6",
-    "prettier": "1.16.3",
+    "prettier": "1.16.4",
     "webpack-dev-server": "3.1.14"
   },
   "scripts": {

yarn.lock

@@ -7711,10 +7711,10 @@ prettier-linter-helpers@^1.0.0:
   dependencies:
     fast-diff "^1.1.2"
 
-prettier@1.16.3:
-  version "1.16.3"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.16.3.tgz#8c62168453badef702f34b45b6ee899574a6a65d"
-  integrity sha512-kn/GU6SMRYPxUakNXhpP0EedT/KmaPzr0H5lIsDogrykbaxOpOfAFfk5XA7DZrJyMAv1wlMV3CPcZruGXVVUZw==
+prettier@1.16.4:
+  version "1.16.4"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.16.4.tgz#73e37e73e018ad2db9c76742e2647e21790c9717"
+  integrity sha512-ZzWuos7TI5CKUeQAtFd6Zhm2s6EpAD/ZLApIhsF9pRvRtM1RFo61dM/4MSRUA0SuLugA/zgrZD8m0BaY46Og7g==
 
 pretty-error@^2.1.1:
   version "2.1.1"