fix(deps): update rust crate rayon to 1.8.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
rayon	dependencies	patch	1.8.0 -> 1.8.1

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Release Notes

rayon-rs/rayon (rayon)

v1.8.1

Compare Source

• The new "web_spin_lock" crate feature makes mutexes spin on the main
  browser thread in WebAssembly, rather than suffer an error about forbidden
  atomics.wait if they were to block in that context. Thanks @​RReverser!

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