chore(deps): update commitlint monorepo to v18

Author: renovate[bot]

package.json

@@ -58,8 +58,8 @@
     "webfontloader": "^1.6.28"
   },
   "devDependencies": {
-    "@commitlint/cli": "^7.6.1",
-    "@commitlint/config-conventional": "^7.6.0",
+    "@commitlint/cli": "^18.4.2",
+    "@commitlint/config-conventional": "^18.4.2",
     "@nuxtjs/eslint-config": "^0.0.1",
     "babel-eslint": "^10.0.1",
     "codecov": "^3.4.0",