chore: Bump once_cell from 1.19.0 to 1.21.4

[dependabot]

Bumps once_cell from 1.19.0 to 1.21.4.

Changelog

Sourced from once_cell's changelog.

1.21.4

• Fix unsoundness in OnceCell::wait under --features=parking_lot, #295.

  If thread A calls wait, while thread B calls get_or_try_init(f), and, furthermore, f panics, the wait incorrectly returns and thread A observes uninitialized memory.

  Kudos to @​meng-xu-cs for a nice find!

1.21.3

• Outline more initialization in race: #284, #285.

1.21.2

• Relax success ordering from AcqRel to Release in race: #278.

1.21.1

• Reduce MSRV to 1.65: #277.

1.21.0

• Outline initialization in race: #273.
• Add OnceNonZereUsize::get_unchecked: #274.
• Add OnceBox::clone and OnceBox::with_value: #275.
• Increase MSRV to 1.70

1.20.2

• Remove portable_atomic from Cargo.lock if it is not, in fact, used: #267 This is a work-around for this cargo bug: rust-lang/cargo#10801.

1.20.1

• Allow using race module using just portable_atomic, without critical_section and provide better error messages on targets without atomic CAS instruction, #265.

Commits

• 80fe900 Merge pull request #296 from matklad/matklad/plfix
• a5e09c9 release 1.21.4
• 2426d45 Merge pull request #295 from matklad/matklad/plfix
• a144121 Merge pull request #290 from alexanderkjall/run-tests-with-no-default-features
• 232a1a4 Merge pull request #292 from phil-opp/doc-fix
• d31767b fix OnceCell::wait with features=parking_lot
• 28d29ae Fix: sync::OnceCell::try_insert docs should import sync variant
• 0f78fb0 make the command 'cargo test --no-default-features' work
• fda60a6 Merge pull request #287 from AbeZbm/add-tests
• b5b98c0 Add tests for OnceRef
• Additional commits viewable in compare view

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