chore(package): update commitlint to version 8.3.5

Closes #39

Author: greenkeeper[bot]

package.json

@@ -31,7 +31,7 @@
     "@emdaer/transform-prettier": "^3.0.0",
     "@emdaer/transform-table-of-contents": "^3.0.0",
     "babel-eslint": "^8.0.1",
-    "commitlint": "^6.1.3",
+    "commitlint": "^8.3.5",
     "eslint": "^4.9.0",
     "eslint-config-airbnb": "^16.1.0",
     "eslint-config-prettier": "^2.6.0",