Update Swatinem/rust-cache action to v2.5.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
Swatinem/rust-cache	action	patch	v2.5.0 -> v2.5.1

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Release Notes

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

### [`v2.5.1`](https://togithub.com/Swatinem/rust-cache/releases/tag/v2.5.1) [Compare Source](https://togithub.com/Swatinem/rust-cache/compare/v2.5.0...v2.5.1) - Fix hash contribution of `Cargo.lock`.

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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