tor/changes/rust_ci

  o Minor features (testing):
     - All Rust code is now linted (cargo clippy) as part of GitLab CI,
       and existing warnings have been fixed.
     - Any unit tests written in Rust now run as part of GitLab CI.
CI: Add Rust tests and clippy This adds a new "rust-latest" CI target that runs tests and clippy for everything in the workspace. It's a subset of the equivalent on Arti. 2023-08-14 22:13:36 +02:00			`o Minor features (testing):`
			`- All Rust code is now linted (cargo clippy) as part of GitLab CI,`
			`and existing warnings have been fixed.`
			`- Any unit tests written in Rust now run as part of GitLab CI.`