chore(deps): update commitlint monorepo to v21

Author: renovate[bot]

package.json

@@ -22,9 +22,9 @@
     "typecheck": "tsc"
   },
   "devDependencies": {
-    "@commitlint/cli": "^20.0.0",
-    "@commitlint/config-conventional": "^20.0.0",
-    "@commitlint/types": "^20.0.0",
+    "@commitlint/cli": "^21.0.0",
+    "@commitlint/config-conventional": "^21.0.0",
+    "@commitlint/types": "^21.0.0",
     "@docusaurus/core": "3.10.1",
     "@docusaurus/faster": "^3.9.2",
     "@docusaurus/module-type-aliases": "3.10.1",