chore(deps-dev): bump @types/node in /packages/instrumentation-openai

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 24.0.15 to 25.5.2.
- [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: 25.5.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

packages/instrumentation-openai/package.json

@@ -54,7 +54,7 @@
     "@pollyjs/core": "^6.0.6",
     "@pollyjs/persister-fs": "^6.0.6",
     "@types/mocha": "^10.0.10",
-    "@types/node": "^24.0.15",
+    "@types/node": "^25.6.0",
     "@types/node-fetch": "^2.6.13",
     "mocha": "^11.7.1",
     "node-fetch": "^2.7.0",