Bump actions/download-artifact from 4.1.9 to 4.2.1

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4.1.9 to 4.2.1.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/cc203385981b70ca67e1cc392babf9cc229d5806...95815c38cf2ff2164869cbab79da8d1f422bc89e

)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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