chore(package): update prettier to version 1.10.0

Author: greenkeeper[bot]

package.json

@@ -37,7 +37,7 @@
     "eslint-plugin-prettier": "^2.3.0",
     "nock": "^9.1.0",
     "nyc": "^11.2.1",
-    "prettier": "~1.9.2",
+    "prettier": "~1.10.0",
     "semantic-release": "^11.0.2",
     "sinon": "^4.0.0",
     "tempy": "^0.2.1",