Bump cargo_metadata from 0.20.0 to 0.21.0

Bumps [cargo_metadata](https://github.com/oli-obk/cargo_metadata) from 0.20.0 to 0.21.0.
- [Release notes](https://github.com/oli-obk/cargo_metadata/releases)
- [Changelog](https://github.com/oli-obk/cargo_metadata/blob/main/CHANGELOG.md)
- [Commits](oli-obk/cargo_metadata@0.20.0...0.21.0)

---
updated-dependencies:
- dependency-name: cargo_metadata
  dependency-version: 0.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -14,5 +14,5 @@ Application to precompile WebAssembly binaries to for hyperlight-wasm.
 [dependencies]
 wasmtime = { version = "34.0.2", default-features = false, features = ["cranelift", "runtime", "component-model" ] }
 clap = "4.5"
-cargo_metadata = "0.20"
+cargo_metadata = "0.21"
 cargo-util-schemas = "=0.2.0"