chore(deps): update commitlint monorepo to v20.4.0

Author: renovate[bot]

package.json

@@ -100,8 +100,8 @@
     "tslib": "^2.3.0"
   },
   "devDependencies": {
-    "@commitlint/cli": "20.3.1",
-    "@commitlint/config-conventional": "20.3.1",
+    "@commitlint/cli": "20.4.0",
+    "@commitlint/config-conventional": "20.4.0",
     "@nestjs/schematics": "11.0.9",
     "@nestjs/testing": "^11.0.16",
     "@nx/eslint": "22.4.3",