Bump crossbeam-channel from 0.5.8 to 0.5.9

[dependabot[bot]]

Bumps crossbeam-channel from 0.5.8 to 0.5.9.

Release notes

Sourced from crossbeam-channel's releases.

crossbeam-channel 0.5.9

• Bump the minimum supported Rust version to 1.61. (#1037)

Commits

• 62024f1 Prepare for the next release
• 0be853e Fix get_unchecked UB by raw pointer calculation
• ab31855 ci: Use stable rustc for codegen
• ac3d0f6 Remove dependency on scopeguard
• ac0b414 Catch panics in critical section of thread::scope
• c7b4f22 AtomicCell: Always implement {,Ref}UnwindSafe
• 6cb3a57 epoch: Fix build error with loom
• cb896e8 AtomicCell: Use fetch_{min,max}
• cf9d974 AtomicCell: use atomic! macro in the impl_arithmetic!
• 0ad36ec Resolve some MSRV-related TODOs
• Additional commits viewable in compare view

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