build(deps-dev): bump typescript from 5.8.3 to 5.9.2 in /clients/js-legacy (#635)

build(deps-dev): bump typescript in /clients/js-legacy

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.8.3 to 5.9.2.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Changelog](https://github.com/microsoft/TypeScript/blob/main/azure-pipelines.release-publish.yml)
- [Commits](microsoft/TypeScript@v5.8.3...v5.9.2)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 5.9.2
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]