fix(deps): update dependency prettier to v1.16.4 (#421)

Author: renovate[bot]

package.json

@@ -11,7 +11,7 @@
   ],
   "devDependencies": {
     "husky": "1.3.1",
-    "prettier": "1.16.2",
+    "prettier": "1.16.4",
     "pretty-quick": "1.10.0"
   },
   "prettier": {

packages/create-graphqlgen/package.json

@@ -39,7 +39,7 @@
     "@types/tar": "4.0.0",
     "@types/tmp": "0.0.33",
     "@types/update-notifier": "2.5.0",
-    "prettier": "1.16.2",
+    "prettier": "1.16.4",
     "rimraf": "2.6.3",
     "ts-node": "8.0.2",
     "tslint": "5.12.1",

packages/graphqlgen/package.json

@@ -47,7 +47,7 @@
     "graphqlgen-json-schema": "0.6.0-rc5",
     "js-yaml": "3.12.1",
     "mkdirp": "0.5.1",
-    "prettier": "1.16.2",
+    "prettier": "1.16.4",
     "reason": "3.3.4",
     "rimraf": "2.6.3",
     "typescript": "3.2.4",

yarn.lock

@@ -3228,9 +3228,9 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-[email protected].2:
-  version "1.16.2"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.16.2.tgz#f60bc5929a7f9a05260cc88d5430391100092414"
+[email protected].4:
+  version "1.16.4"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.16.4.tgz#73e37e73e018ad2db9c76742e2647e21790c9717"
 
 pretty-format@^23.6.0:
   version "23.6.0"