fix: examples/microservices/node/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-BRACEEXPANSION-15789759

Author: snyk-bot

examples/microservices/node/package.json

@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "express": "^4.13.3",
-    "nodemon": "^2.0.3",
+    "nodemon": "^3.1.12",
     "request": "^2.88.0"
   },
   "keywords": [