message: doc(changelog): suggestions of cargo fix are nightly only
diff: - `cargo package` and `cargo publish` now report total and compressed crate size
  after packaging.
  [#11270](https://github.com/rust-lang/cargo/pull/11270)
  -- Suggests `cargo fix` when some compilation warnings/errors can be auto-fixed.
  - [#10989](https://github.com/rust-lang/cargo/pull/10989)
  ### Changed
  ### Nightly only
  +- Suggests `cargo fix` when some compilation warnings/errors can be auto-fixed.
  + [#10989](https://github.com/rust-lang/cargo/pull/10989)
  +
  ## Cargo 1.66 (2022-12-15)
  [08250398...rust-1.66.0](https://github.com/rust-lang/cargo/compare/08250398...rust-1.66.0)
  