Bump dropshot from da09c39 to 0e971f5

Bumps [dropshot](https://github.com/oxidecomputer/dropshot) from `da09c39` to `0e971f5`.
- [Release notes](https://github.com/oxidecomputer/dropshot/releases)
- [Commits](oxidecomputer/dropshot@da09c39...0e971f5)

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

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