Bump thiserror from 2.0.11 to 2.0.16 in /rust

Bumps [thiserror](https://github.com/dtolnay/thiserror) from 2.0.11 to 2.0.16.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](dtolnay/thiserror@2.0.11...2.0.16)

---
updated-dependencies:
- dependency-name: thiserror
  dependency-version: 2.0.16
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

rust/Cargo.lock

@@ -7,7 +7,7 @@ edition = "2021"
 
 [dependencies]
 uniffi.workspace = true
-thiserror = "2.0.11"
+thiserror = "2.0.16"
 
 [build-dependencies]
 uniffi = { workspace = true, features = ["build"] }