fix: search-service/package.json & search-service/package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-QS-14724253

Author: snyk-bot

search-service/package-lock.json

@@ -9,7 +9,7 @@
   "dependencies": {
     "cors": "^2.8.5",
     "dotenv": "^16.0.3",
-    "express": "^4.18.2",
+    "express": "^4.22.0",
     "ioredis": "^5.6.1",
     "mongoose": "^7.0.3",
     "redis": "^4.6.7",