Update Rust crate parking_lot to v0.12.3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
parking_lot	dependencies	patch	=0.12.1 -> =0.12.3

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Release Notes

Amanieu/parking_lot (parking_lot)

v0.12.3

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• Export types provided by arc_lock feature (#​442)

v0.12.2

Compare Source

• Fixed panic when calling with_upgraded twice on a ArcRwLockUpgradableReadGuard (#​431)
• Fixed RwLockUpgradeableReadGuard::with_upgraded
• Added lock_api::{Mutex, ReentrantMutex, RwLock}::from_raw methods (#​429)
• Added Apple visionOS support (#​433)

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