chore(deps-dev): bump vega from 5.12.0 to 5.12.1
chore(deps-dev): bump vega from 5.12.0 to 5.12.1

Bumps [vega](https://github.com/vega/vega) from 5.12.0 to 5.12.1.
- [Release notes](https://github.com/vega/vega/releases)
- [Commits](https://github.com/vega/vega/compare/v5.12.0...v5.12.1)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
vega/vega-embed,vega/vega-embed,vega/vega-embed,vega/vega-embed