Bump hubtools from 943c4bb to f48e2da (#298)

Bumps [hubtools](https://github.com/oxidecomputer/hubtools) from `943c4bb` to `f48e2da`.
- [Commits](oxidecomputer/hubtools@943c4bb...f48e2da)

---
updated-dependencies:
- dependency-name: hubtools
  dependency-type: direct:production
...

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