chore: update dependency eslint to v4.18.1

Author: renovate-bot

package.json

@@ -93,7 +93,7 @@
   },
   "devDependencies": {
     "docsify-cli": "4.2.0",
-    "eslint": "4.18.0",
+    "eslint": "4.18.1",
     "eslint-config-prettier": "2.9.0",
     "husky": "0.14.3",
     "lerna": "2.9.0",

yarn.lock

@@ -2585,9 +2585,9 @@ eslint-visitor-keys@^1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
 
-[email protected].0:
-  version "4.18.0"
-  resolved "https://registry.npmjs.org/eslint/-/eslint-4.18.0.tgz#ebd0ba795af6dc59aa5cee17938160af5950e051"
+[email protected].1:
+  version "4.18.1"
+  resolved "https://registry.npmjs.org/eslint/-/eslint-4.18.1.tgz#b9138440cb1e98b2f44a0d578c6ecf8eae6150b0"
   dependencies:
     ajv "^5.3.0"
     babel-code-frame "^6.22.0"