fix: project/c2-microservices-v1/udacity-c2-restapi-user/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-EXPRESS-14157151

Author: snyk-bot

project/c2-microservices-v1/udacity-c2-restapi-user/package.json

@@ -23,7 +23,7 @@
     "bcrypt": "^4.0.1",
     "body-parser": "^1.19.0",
     "email-validator": "^2.0.4",
-    "express": "^4.17.1",
+    "express": "^4.22.0",
     "jsonwebtoken": "^8.5.1",
     "pg": "^7.11.0",
     "reflect-metadata": "^0.1.13",