* allows defining rustc, rustc check-cfg, clippy, and rustdoc lints
* add a 'lints' attribute to the common rust attributes
* rust_doc and rust_clippy rules use the lints from the crate they target

* adds a new Rust binary cargo_toml_info which can parse a Cargo.toml and inherit from the workspace
* adds a new cargo_lints rule which invokes the cargo_toml_info binary to get lints
* update the LintsInfo provider to include CLI args via files

* rename fields on the LintsInfo provider
* rename some methods
* add comments linking to cargo_toml issues
* move the cargo_toml_info binary into private