Build: Bump getdaft from 0.2.16 to 0.2.21 (#662)

Bumps [getdaft](https://github.com/Eventual-Inc/Daft) from 0.2.16 to 0.2.21.
- [Release notes](https://github.com/Eventual-Inc/Daft/releases)
- [Commits](Eventual-Inc/Daft@v0.2.16...v0.2.21)

---
updated-dependencies:
- dependency-name: getdaft
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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