Bump cargo_metadata from 0.18.1 to 0.19.0

Bumps [cargo_metadata](https://github.com/oli-obk/cargo_metadata) from 0.18.1 to 0.19.0.
- [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@0.18.1...0.19.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.toml

@@ -10,7 +10,7 @@ repository = "https://github.com/trailofbits/cargo-line-test"
 [dependencies]
 anyhow = "1.0"
 assert_cmd = "2.0"
-cargo_metadata = "0.18"
+cargo_metadata = "0.19"
 clap = { version = "4.5", features = ["cargo", "derive", "wrap_help"] }
 ctrlc = "3.4"
 unidiff = "0.3"