chore(deps): update actions/checkout action to v6.0.1 (#30832)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://redirect.github.com/actions/checkout) |
action | patch | `v6.0.0` -> `v6.0.1` |

---

### Release Notes

<details>
<summary>actions/checkout (actions/checkout)</summary>

###
[`v6.0.1`](https://redirect.github.com/actions/checkout/compare/v6.0.0...v6.0.1)

[Compare
Source](https://redirect.github.com/actions/checkout/compare/v6.0.0...v6.0.1)

</details>

---

### Configuration

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Automerge - At any time (no schedule defined).

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are satisfied.

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again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
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