chore(deps): update dependency eslint to v5

Author: renovate-bot

package.json

@@ -22,7 +22,7 @@
     "devDependencies": {
         "glob": "7.1.2",
         "mmarkdown": "1.0.0",
-        "eslint": "4.19.1",
+        "eslint": "5.0.1",
         "eslint-config-mailonline": "9.0.0",
         "mol-conventional-changelog": "1.2.0",
         "jest": "22.4.3",