chore(package): update eslint-config-prettier to version 6.2.0

Closes #14

Author: greenkeeper[bot]

package.json

@@ -26,7 +26,7 @@
     "codecov": "^3.0.4",
     "eslint": "^5.2.0",
     "eslint-config-airbnb-base": "^13.0.0",
-    "eslint-config-prettier": "^3.0.0",
+    "eslint-config-prettier": "^6.2.0",
     "eslint-plugin-import": "^2.13.0",
     "eslint-plugin-prettier": "^2.6.2",
     "greenkeeper-lockfile": "^1.15.1",