Update dependency prettier to v1.18.1

Author: renovate-bot

package.json

@@ -23,7 +23,7 @@
     "postcss-load-config": "2.0.0",
     "postcss-preset-env": "6.6.0",
     "postcss-syntax": "0.36.2",
-    "prettier": "1.17.0",
+    "prettier": "1.18.1",
     "rollup": "1.8.0",
     "rollup-plugin-node-resolve": "4.0.1",
     "rollup-pluginutils": "2.5.0",

yarn.lock

@@ -3686,10 +3686,10 @@ prelude-ls@~1.1.2:
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
   integrity sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=
 
-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==
+prettier@1.18.1:
+  version "1.18.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.18.1.tgz#2c79bdc97cbd457fc56e2f37c91cf076d69a8e07"
+  integrity sha512-cO2Lm9UuFJHhNgHSChbFddQEzNPP+sA6fX1tGmC0VNqTc2X+7EH0gpGWdEX0HfCe5+NVyOyyyWUpLKsb8LU5vg==
 
 private@^0.1.6:
   version "0.1.8"