build(deps): bump rayon from 1.11.0 to 1.12.0

[dependabot]

Bumps rayon from 1.11.0 to 1.12.0.

Changelog

Sourced from rayon's changelog.

Release rayon 1.12.0 (2026-04-13)

• Fixed a bug in parallel Range<char> when the end is 0xE000, just past the surrogate boundary, which was unsafely producing invalid char values.
• The new method ParallelSlice::par_array_windows works like par_windows but with a constant length, producing &[T; N] items.

Commits

• 7449d7d Merge #1093
• b3d9e3f Release rayon 1.8.0 and rayon-core 1.12.0
• 3fe51e5 Fix clippy::let_and_return
• 082f215 Merge #1087
• ea0c06d core: registry: Factor out "wait till out of work" part of the main loop.
• 75524e2 Merge #1063
• 01d2800 Ignore the multi-threaded test on emscripten/wasm
• 40b59c0 core: Make use_current_thread error rather than panic when already in the pool.
• f4db4d7 core: tests: Add some basic tests for ThreadPoolBuilder::use_current_thread.
• 87274ad core: registry: Add some more documentation for ThreadPoolBuilder::use_curren...
• Additional commits viewable in compare view

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