npm: bump vega-embed from 6.22.1 to 6.24.0

Bumps [vega-embed](https://github.com/vega/vega-embed) from 6.22.1 to 6.24.0.
- [Release notes](https://github.com/vega/vega-embed/releases)
- [Changelog](https://github.com/vega/vega-embed/blob/main/CHANGELOG.md)
- [Commits](vega/vega-embed@v6.22.1...v6.24.0)

---
updated-dependencies:
- dependency-name: vega-embed
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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