build(deps-dev): bump @types/node in /msgraph-mail/typescript

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 25.0.3 to 25.0.8.
- [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: 25.0.8
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

msgraph-mail/typescript/package-lock.json

@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "@tsconfig/node20": "^20.1.8",
-    "@types/node": "^25.0.3",
+    "@types/node": "^25.0.8",
     "typescript": "^5.9.3"
   },
   "type": "module"