Bump dropshot from 1e07d6c to cc7ac24 (#795)

Bumps [dropshot](https://github.com/oxidecomputer/dropshot) from `1e07d6c` to `cc7ac24`.
- [Release notes](https://github.com/oxidecomputer/dropshot/releases)
- [Commits](oxidecomputer/dropshot@1e07d6c...cc7ac24)

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

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Adam H. Leventhal <ahl@oxide.computer>