chore(deps): update commitlint monorepo to v8

Author: renovate-bot

package.json

@@ -64,8 +64,8 @@
     ]
   },
   "devDependencies": {
-    "@commitlint/cli": "^7.2.1",
-    "@commitlint/config-conventional": "^7.1.2",
+    "@commitlint/cli": "^8.3.4",
+    "@commitlint/config-conventional": "^8.3.4",
     "@nuxtjs/eslint-config": "0.0.1",
     "@vue/server-test-utils": "^1.0.0-beta",
     "@vue/test-utils": "^1.0.0-beta",