chore(deps): update rust crate memmap2 to v0.9.7 (#3855)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [memmap2](https://redirect.github.com/RazrFalcon/memmap2-rs) |
workspace.dependencies | patch | `0.9.5` -> `0.9.7` |

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### Release Notes

<details>
<summary>RazrFalcon/memmap2-rs (memmap2)</summary>

###
[`v0.9.7`](https://redirect.github.com/RazrFalcon/memmap2-rs/blob/HEAD/CHANGELOG.md#097---2025-07-13)

##### Fixed

- Fix incomplete validation of mapping length, which could lead to
violation of safety requirements of `slice::from_raw_parts` on 32-bit
platforms.

</details>

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