Auto merge of #8871 - Serial-ATA:cargo-dev-deprecate, r=giraffate

Add `cargo dev deprecate`

changelog: none

I wrote this awhile ago when `regex` was still a dependency. Is it alright to add it back?

clippy_lints/src/lib.rs

@@ -159,7 +159,7 @@ macro_rules! declare_clippy_lint {
 }
 
 #[cfg(feature = "internal")]
-mod deprecated_lints;
+pub mod deprecated_lints;
 #[cfg_attr(feature = "internal", allow(clippy::missing_clippy_version_attribute))]
 mod utils;