message: Mention fix on build script deadlock
diff: - Scanning the package directory now ignores errors from broken
  but excluded symlink files.
  [#11008](https://github.com/rust-lang/cargo/pull/11008)
  +- Fixed deadlock when build scripts are waiting for input on stdin.
  + [#11257](https://github.com/rust-lang/cargo/pull/11257)
  ### Nightly
  