update prettier to 1.17.0 in package.json and yarn.lock

package.json

@@ -150,7 +150,7 @@
     "postcss-import": "^9.0.0",
     "postcss-loader": "^2.0.8",
     "postcss-url": "^6.0.4",
-    "prettier": "^1.10.2",
+    "prettier": "^1.17.0",
     "promise-loader": "^1.0.0",
     "raf": "^3.4.0",
     "react-test-renderer": "15",

yarn.lock

@@ -10328,10 +10328,10 @@ preserve@^0.2.0:
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
   integrity sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=
-prettier@^1.10.2:
-  version "1.10.2"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.10.2.tgz#1af8356d1842276a99a5b5529c82dd9e9ad3cc93"
-  integrity sha512-TcdNoQIWFoHblurqqU6d1ysopjq7UX0oRcT/hJ8qvBAELiYWn+Ugf0AXdnzISEJ7vuhNnQ98N8jR8Sh53x4IZg==
+prettier@^1.17.0:
+  version "1.17.0"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.17.0.tgz#53b303676eed22cc14a9f0cec09b477b3026c008"
+  integrity sha512-sXe5lSt2WQlCbydGETgfm1YBShgOX4HxQkFPvbxkcwgDvGDeqVau8h+12+lmSVlP3rHPz0oavfddSZg/q+Szjw==
 pretty-error@^2.0.2:
   version "2.1.1"