Build(deps-dev): update typescript-eslint requirement in /server

Updates the requirements on [typescript-eslint](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/typescript-eslint) to permit the latest version.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/typescript-eslint/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v8.55.0/packages/typescript-eslint)

---
updated-dependencies:
- dependency-name: typescript-eslint
  dependency-version: 8.55.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

server/package.json

@@ -76,7 +76,7 @@
     "eslint-plugin-prettier": "^5.5.5",
     "prettier": "^3.8.1",
     "typescript": "^5.9.3",
-    "typescript-eslint": "^8.54.0",
+    "typescript-eslint": "^8.55.0",
     "vitest": "^4.0.18"
   },
   "scripts": {