chore(deps): update commitlint monorepo to v20.3.0

Author: renovate[bot]

package-lock.json

@@ -42,8 +42,8 @@
   "devDependencies": {
     "@aws-cdk/assert": "2.68.0",
     "@biomejs/biome": "2.3.10",
-    "@commitlint/cli": "20.2.0",
-    "@commitlint/config-conventional": "20.2.0",
+    "@commitlint/cli": "20.3.0",
+    "@commitlint/config-conventional": "20.3.0",
     "@types/jest": "30.0.0",
     "@types/node": "24.10.4",
     "aws-cdk-lib": "2.232.2",