chore(package): update eslint-config-pretty to version 2.1.1

Author: greenkeeper[bot]

package.json

@@ -33,7 +33,7 @@
     "conventional-changelog-jshint": "^0.2.0",
     "eslint": "^4.5.0",
     "eslint-config-prettier": "^2.3.0",
-    "eslint-config-pretty": "^2.0.1",
+    "eslint-config-pretty": "^2.1.1",
     "eslint-plugin-ava": "^4.2.1",
     "eslint-plugin-babel": "^4.1.2",
     "eslint-plugin-eslint-comments": "^1.0.3",