Update thiserror requirement from 1.0.30 to 2.0.0 (#29)

Updates the requirements on [thiserror](https://github.com/dtolnay/thiserror) to permit the latest version.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](dtolnay/thiserror@1.0.30...2.0.0)

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

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

Author: dependabot[bot]

src/hyperlight_host/Cargo.toml

@@ -45,7 +45,7 @@ sha256 = "1.4.0"
 vmm-sys-util = "0.12.1"
 crossbeam = "0.8.0"
 crossbeam-channel = "0.5.8"
-thiserror = "1.0.30"
+thiserror = "2.0.0"
 prometheus = "0.13.3"
 strum = { version = "0.25", features = ["derive"] }
 tempfile = {version = "3.10", optional = true}