fix: package.json & package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-AJV-15274295

Author: snyk-bot

package-lock.json

@@ -20,7 +20,7 @@
   "author": "",
   "license": "Apache-2.0",
   "dependencies": {
-    "ajv": "^8.11.0",
+    "ajv": "^8.18.0",
     "axios": "^1.8.3",
     "busboy": "^1.5.0",
     "express": "^4.21.2",