Build(deps): update dotenv requirement in /server

Updates the requirements on [dotenv](https://github.com/motdotla/dotenv) to permit the latest version.
- [Changelog](https://github.com/motdotla/dotenv/blob/master/CHANGELOG.md)
- [Commits](motdotla/dotenv@v17.2.4...v17.3.0)

---
updated-dependencies:
- dependency-name: dotenv
  dependency-version: 17.3.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

server/package.json

@@ -57,7 +57,7 @@
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.26.0",
     "cors": "^2.8.6",
-    "dotenv": "^17.3.0",
+    "dotenv": "^17.3.1",
     "express": "^5.2.1",
     "js-yaml": "^4.1.1",
     "lowdb": "^7.0.1",