## Description of proposed changes

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## Related issue(s)

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## Checklist

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- [ ] Checks pass
- [ ] If making user-facing changes, add a message in [CHANGELOG.md](https://github.com/nextstrain/auspice/blob/HEAD/CHANGELOG.md) summarizing the changes in this PR
- [ ] (to be done by a Nextstrain team member) [Create preview PRs on downstream repositories][1].

[1]: https://github.com/nextstrain/auspice/blob/-/DEV_DOCS.md#test-on-downstream-repositories

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