Bump thiserror from 2.0.3 to 2.0.6 (#938)

Bumps [thiserror](https://github.com/dtolnay/thiserror) from 2.0.3 to 2.0.6.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](dtolnay/thiserror@2.0.3...2.0.6)

---
updated-dependencies:
- dependency-name: thiserror
  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>

Author: dependabot[bot]

Cargo.lock

@@ -53,7 +53,7 @@ serde = { version = "1.0.215", features = ["derive"] }
 serde_json = "1.0.133"
 similar = "2.6.0"
 tabwriter = "1.4.0"
-thiserror = "2.0.3"
+thiserror = "2.0.6"
 tempfile = "3.14.0"
 test-common = { path = "test-common" }
 thouart = { git = "https://github.com/oxidecomputer/thouart" }