Auto merge of #91779 - ridwanabdillahi:natvis, r=michaelwoerister

Add a new Rust attribute to support embedding debugger visualizers

Implemented [this RFC](https://github.com/rust-lang/rfcs/pull/3191) to add support for embedding debugger visualizers into a PDB.

Added a new attribute `#[debugger_visualizer]` and updated the `CrateMetadata` to store debugger visualizers for crate dependencies.

RFC: https://github.com/rust-lang/rfcs/pull/3191

diff --cc Cargo.lock
Simple merge

diff --cc compiler/rustc_codegen_ssa/src/lib.rs
Simple merge

diff --cc compiler/rustc_span/src/lib.rs
Simple merge