Bump @types/node in /quickstarts/azure-openai-assistants/ts

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 20.19.26 to 25.0.1.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

---
updated-dependencies:
- dependency-name: "@types/node"
  dependency-version: 25.0.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

quickstarts/azure-openai-assistants/ts/package.json

@@ -18,7 +18,7 @@
     "dotenv": "^16.4.5"
   },
   "devDependencies": {
-    "@types/node": "^20.12.2",
+    "@types/node": "^25.0.1",
     "ts-node": "^10.9.2",
     "typescript": "^5.4.3"
   }