chore(deps): update dependency @pact-foundation/pact to v16.0.3

Ref: PACT-445

Author: pactflow-renovate-bot[bot]

package-lock.json

@@ -13,7 +13,7 @@
     "express": "5.2.1"
   },
   "devDependencies": {
-    "@pact-foundation/pact": "16.0.2",
+    "@pact-foundation/pact": "16.0.3",
     "dotenv": "17.2.3",
     "eslint": "9.39.2",
     "jest": "30.2.0"