bump(rust-analyzer): update to v2025-12-29 - autoclosed

[renovate]

This PR contains the following updates:

Package	Update	Change
rust-analyzer	patch	2025-12-22 → 2025-12-29

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Release Notes

rust-lang/rust-analyzer (rust-analyzer)

v2025-12-29

Compare Source

Commit: be6975f
Release: 2025-12-29 (v0.3.2735)

New Features

• #21200 don't expand built-in derives, treat them specifically instead (saves 180 MB on self).
• #21337 stabilize type mismatch diagnostic.
• #20193 add setting to disable showing rename conflicts.
• #20741 add macro segment completion.

Fixes

• #21326 keep flycheck generations in sync across multiple workspaces.
• #21348 re-enable fixpoint variance analysis.
• #21351 fix parsing of format_args!(..., keyword=...).
• #21358 fix type inference when hovering on _.
• #21354 fix duplicate default item in record update syntax.
• #21330 fix indent in convert_to_guarded_return.
• #20595 fix indent in convert_iter_for_each_to_for.
• #20521 handle break in expected type analysis.
• #21359 prompt the user to add the rust-analyzer component to the toolchain file.
• #21297 fix LSP configuration request handling.

Internal Improvements

• #21249, #21340, #21345 implement bidirectional proc macro server messaging prototype.
• #21335 store closures with "tupled" inputs.
• #21341 move library and local root inputs to base-db.
• #21344 stop using MIR ProjectionElem in closure analysis.
• #21349 make token trees no longer generic over the span.
• #21353 pre-allocate some buffers for parsing.
• #21355 reduce channel lock contention for drop threads.
• #21357 drop AstIdMap asynchronously.
• #21356 collect garbage when quiescient after events.
• #21334 add cargo-machete CI step.

See also the changelog post.

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