build(deps): update which requirement in the cargo-crates group

Updates the requirements on [which](https://github.com/harryfei/which-rs) to permit the latest version.

Updates `which` to 6.0.3
- [Release notes](https://github.com/harryfei/which-rs/releases)
- [Changelog](https://github.com/harryfei/which-rs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/harryfei/which-rs/compare/6.0.0...6.0.3)

---
updated-dependencies:
- dependency-name: which
  dependency-type: direct:production
  dependency-group: cargo-crates
...

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

Cargo.toml

@@ -94,7 +94,7 @@ test-log = { version = "0.2.13", default-features = false }
 testing_logger = { version = "0.1.1", default-features = false }
 thiserror = { version = "1", default-features = false }
 tokio = { version = "1.24.0", default-features = false }
-which = { version = "6.0.0", default-features = false }
+which = { version = "7.0.0", default-features = false }
 xdpilone = { version = "1.0.5", default-features = false }
 
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