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

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-NEXT-14400636
- https://snyk.io/vuln/SNYK-JS-NEXT-14400644

Author: snyk-bot

package-lock.json

@@ -38,7 +38,7 @@
     "jsonwebtoken": "^9.0.2",
     "leaflet": "^1.9.4",
     "lucide-react": "^0.539.0",
-    "next": "15.4.7",
+    "next": "15.4.10",
     "next-auth": "^4.24.11",
     "pg": "^8.11.3",
     "react": "^19.1.1",