chore(deps): update commitlint monorepo to v20

Author: renovate[bot]

package.json

@@ -57,8 +57,8 @@
     "@iconify/utils": "^2.1.14"
   },
   "devDependencies": {
-    "@commitlint/cli": "^17.8.1",
-    "@commitlint/config-conventional": "^17.8.1",
+    "@commitlint/cli": "^20.4.0",
+    "@commitlint/config-conventional": "^20.4.0",
     "@iconify-json/carbon": "^1.1.27",
     "@iconify/types": "^2.0.0",
     "@jcamp/eslint-config": "0.8.2",