message: Add changelog about dylib uplift.
diff: - Windows GNU targets now copy `.dll.a` import library files for DLL crate
  types to the output directory.
  [#8141](https://github.com/rust-lang/cargo/pull/8141)
  +- Dylibs for all dependencies are now unconditionally copied to the output
  + directory. Some obscure scenarios can cause an old dylib to be referenced
  + between builds, and this ensures that all the latest copies are used.
  + [#8139](https://github.com/rust-lang/cargo/pull/8139)
  ### Fixed
  - Fixed copying Windows `.pdb` files to the output directory when the filename
  