Announcing Rust 1.89.0

Rust 1.89.0 has been released with several notable changes, including support for explicit inference in const generics, improved linting for mismatched lifetimes, and new target features for x86 architecture. Additionally, there are updates regarding cross-compiled doctests and i128/u128 compatibility with C functions. The x86_64-apple-darwin target is being demoted to Tier 2, impacting future support. Further details on stabilized APIs and contributions to the release are also outlined.