Update Rust crate indexmap to v2.7.1 (#23494)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [indexmap](https://redirect.github.com/indexmap-rs/indexmap) |
workspace.dependencies | patch | `2.7.0` -> `2.7.1` |

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### Release Notes

<details>
<summary>indexmap-rs/indexmap (indexmap)</summary>

###
[`v2.7.1`](https://redirect.github.com/indexmap-rs/indexmap/blob/HEAD/RELEASES.md#271-2025-01-19)

[Compare
Source](https://redirect.github.com/indexmap-rs/indexmap/compare/2.7.0...2.7.1)

-   Added `#[track_caller]` to functions that may panic.
-   Improved memory reservation for `insert_entry`.

</details>

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Release Notes:

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