Update cargo_metadata requirement from 0.17 to 0.18 (#16)

Updates the requirements on [cargo_metadata](https://github.com/oli-obk/cargo_metadata) to permit the latest version.
- [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@0.17.0...0.18.0)

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

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Author: dependabot[bot]

rust-cuda-derive/Cargo.toml

@@ -18,7 +18,7 @@ proc-macro-error = "1.0"
 regex = "1.5"
 lazy_static = "1.4"
 serde_json = "1.0"
-cargo_metadata = { version = "0.17", features = ["builder"] }
+cargo_metadata = { version = "0.18", features = ["builder"] }
 strip-ansi-escapes = "0.2"
 colored = "2.0"