Bump zerocopy from 0.8.5 to 0.8.6 (#314)

Bumps [zerocopy](https://github.com/google/zerocopy) from 0.8.5 to 0.8.6.
- [Release notes](https://github.com/google/zerocopy/releases)
- [Changelog](https://github.com/google/zerocopy/blob/main/CHANGELOG.md)
- [Commits](https://github.com/google/zerocopy/commits)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

dof/Cargo.toml

@@ -10,7 +10,7 @@ repository = "https://github.com/oxidecomputer/usdt.git"
 goblin = { version = "0.8", optional = true, features = ["elf64", "mach64"] }
 pretty-hex = { version = "0.4", optional = true }
 thiserror = "1"
-zerocopy = { version = "0.8.5", features = [ "derive" ] }
+zerocopy = { version = "0.8.6", features = [ "derive" ] }
 serde = { version = "1", features = [ "derive" ] }
 serde_json = "1"