chore(deps): update commitlint monorepo to v21

Author: renovate[bot]

package.json

@@ -15,8 +15,8 @@
     "prepare": "husky"
   },
   "devDependencies": {
-    "@commitlint/cli": "20.5.3",
-    "@commitlint/config-conventional": "20.5.3",
+    "@commitlint/cli": "21.0.0",
+    "@commitlint/config-conventional": "21.0.0",
     "dargstack": "2.5.1",
     "dargstack_rgen": "0.9.90",
     "husky": "9.1.7"