chore(deps): update swatinem/rust-cache action to v2.6.2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
Swatinem/rust-cache	action	minor	v2.5.1 -> v2.6.2

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Release Notes

Swatinem/rust-cache (Swatinem/rust-cache)

v2.6.2

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What's Changed

• dep: Use smol-toml instead of toml by @​NobodyXu in https://github.com/Swatinem/rust-cache/pull/164

Full Changelog: Swatinem/rust-cache@v2...v2.6.2

v2.6.1

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• Fix hash contributions of Cargo.lock/Cargo.toml files.

v2.6.0

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What's Changed

• Add "buildjet" as a second cache-provider backend @​joroshiba in https://github.com/Swatinem/rust-cache/pull/154
• Clean up sparse registry index.
• Do not clean up src of -sys crates.
• Remove .cargo/credentials.toml before saving.

New Contributors

• @​joroshiba made their first contribution in https://github.com/Swatinem/rust-cache/pull/154

Full Changelog: Swatinem/rust-cache@v2.5.1...v2.6.0

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