build(deps-dev): bump @eslint/js in /serverpackcreator-web-frontend

Bumps [@eslint/js](https://github.com/eslint/eslint/tree/HEAD/packages/js) from 9.37.0 to 9.39.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Commits](https://github.com/eslint/eslint/commits/v9.39.0/packages/js

)

---
updated-dependencies:
- dependency-name: "@eslint/js"
  dependency-version: 9.39.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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