Update Rust crate indexmap to 2.11.4 (#2600)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [indexmap](https://redirect.github.com/indexmap-rs/indexmap) |
workspace.dependencies | patch | `2.11.3` -> `2.11.4` |

---

### Release Notes

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

###
[`v2.11.4`](https://redirect.github.com/indexmap-rs/indexmap/blob/HEAD/RELEASES.md#2114-2025-09-18)

[Compare
Source](https://redirect.github.com/indexmap-rs/indexmap/compare/2.11.3...2.11.4)

- Updated the `hashbrown` dependency to a range allowing 0.15 or 0.16.

</details>

---

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Author: nextest-bot

Cargo.lock

@@ -72,7 +72,7 @@ iddqd = "0.3.13"
 idna_adapter = "=1.0.0"
 indenter = "0.3.4"
 indent_write = "2.2.0"
-indexmap = "2.11.3"
+indexmap = "2.11.4"
 indicatif = "0.18.0"
 indoc = "2.0.6"
 insta = { version = "1.43.2", default-features = false }

Cargo.toml

@@ -25,8 +25,8 @@ console = { version = "0.16.0" }
 either = { version = "1.15.0", features = ["use_std"] }
 form_urlencoded = { version = "1.2.2" }
 getrandom = { version = "0.3.3", default-features = false, features = ["std"] }
-hashbrown = { version = "0.15.5" }
-indexmap = { version = "2.11.3", features = ["serde"] }
+hashbrown = { version = "0.16.0", default-features = false, features = ["allocator-api2", "inline-more"] }
+indexmap = { version = "2.11.4", features = ["serde"] }
 log = { version = "0.4.28", default-features = false, features = ["std"] }
 memchr = { version = "2.7.5" }
 miette = { version = "7.6.0", features = ["fancy"] }