build(deps): bump parking_lot from 0.12.3 to 0.12.4

[dependabot[bot]]

Bumps parking_lot from 0.12.3 to 0.12.4.

Changelog

Sourced from parking_lot's changelog.

parking_lot - 0.12.4 - 2025-05-29

• Fix parked upgraders potentially not being woken up after a write lock
• Fix clearing PARKED_WRITER_BIT after a timeout

parking_lot_core - 0.9.11 - 2025-05-29

• Use Release/Acquire ordering in thread_parker::windows::Backend::create
• Remove warnings due to new lint on unknown cfgs

lock_api - 0.4.13 - 2025-05-29

• Remove warnings due to new lint on unknown cfgs

Commits

• df66e66 Update CHANGELOG.md
• bc72f02 chore: release
• 7bd09e2 Merge pull request #469 from Amanieu/release-plz-changelog
• 965216f Use a single changelog with release-plz
• 398560e Merge pull request #467 from Amanieu/release-plz
• a7c490f Add release-plz for automatic releases
• 4989a4f Merge pull request #466 from Amanieu/issue-465
• 249cb2a Fix parked upgraders potentially not being woken up after a write lock
• a0d2de0 Fix clearing PARKED_WRITER_BIT after a timeout
• 03b0192 Merge pull request #464 from Amanieu/ci-msrv
• Additional commits viewable in compare view

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