Bump rayon from 1.7.0 to 1.8.0

[dependabot]

Bumps rayon from 1.7.0 to 1.8.0.

Changelog

Sourced from rayon's changelog.

Release rayon 1.8.0 / rayon-core 1.12.0 (2023-09-20)

• The minimum supported rustc is now 1.63.
• Added ThreadPoolBuilder::use_current_thread to use the builder thread as part of the new thread pool. That thread does not run the pool's main loop, but it may participate in work-stealing if it yields to rayon in some way.
• Implemented FromParallelIterator<T> for Box<[T]>, Rc<[T]>, and Arc<[T]>, as well as FromParallelIterator<Box<str>> and ParallelExtend<Box<str>> for String.
• ThreadPoolBuilder::build_scoped now uses std::thread::scope.
• The default number of threads is now determined using std::thread::available_parallelism instead of the num_cpus crate.
• The internal logging facility has been removed, reducing bloat for all users.
• Many smaller performance tweaks and documentation updates.

Commits

• 21e1ae1 Release rayon 1.4.0 / rayon-core 1.8.0
• a0e5833 Merge #785 #790 #791
• 9f7357b Merge #792
• 998f134 Removed outdated documentation
• c7d963a Use crossbeam_deque::Injector instead of crossbeam_queue::SegQueue
• 2e88929 Micro-optimize the WorkerThread::steal loop
• 66559fe Remove the lifetime constraint from the scope OP
• 09428ec Merge #746
• ed6a5f7 Update ci/compat-Cargo.lock
• 96ba9ef inline more Counter methods
• Additional commits viewable in compare view

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