Auto merge of #148593 - pietroalbini:ea-1.91.1, r=BoxyUwU

[stable] Prepare Rust 1.91.1

This PR prepares the artifacts for Rust 1.91.1, targeting next Monday with the following backports:

* https://github.com/rust-lang/rust/pull/148322
* https://github.com/rust-lang/rust/pull/148363

cc `@rust-lang/release`