fix: upgrade next from 14.1.0 to 14.2.5

Snyk has created this PR to upgrade next from 14.1.0 to 14.2.5.

See this package in npm:
next

See this project in Snyk:
https://app.snyk.io/org/zeroxclem/project/c8ca7a2d-332e-41ba-baa3-9f044e360a88?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

ui/litellm-dashboard/package-lock.json

@@ -18,7 +18,7 @@
     "fs": "^0.0.1-security",
     "jsonwebtoken": "^9.0.2",
     "jwt-decode": "^4.0.0",
-    "next": "14.1.0",
+    "next": "14.2.5",
     "openai": "^4.28.0",
     "react": "^18",
     "react-copy-to-clipboard": "^5.1.0",