chore(package): update @commitlint/config-conventional to version 8.2.0

Closes #25

Author: greenkeeper[bot]

package.json

@@ -34,7 +34,7 @@
   },
   "devDependencies": {
     "@commitlint/cli": "^8.2.0",
-    "@commitlint/config-conventional": "^7.5.0",
+    "@commitlint/config-conventional": "^8.2.0",
     "@ember/optional-features": "^0.7.0",
     "@semantic-release/changelog": "^3.0.2",
     "@semantic-release/commit-analyzer": "^6.1.0",