Update Rust crate insta to 1.44.3 (#2809)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [insta](https://insta.rs/)
([source](https://redirect.github.com/mitsuhiko/insta)) |
workspace.dependencies | patch | `1.44.2` -> `1.44.3` |

---

### Release Notes

<details>
<summary>mitsuhiko/insta (insta)</summary>

###
[`v1.44.3`](https://redirect.github.com/mitsuhiko/insta/blob/HEAD/CHANGELOG.md#1443)

[Compare
Source](https://redirect.github.com/mitsuhiko/insta/compare/1.44.2...1.44.3)

- Fix a regression in 1.44.2 where merge conflict detection was too
aggressive, incorrectly flagging snapshot content containing `======` or
similar patterns as conflicts.
[#&#8203;832](https://redirect.github.com/mitsuhiko/insta/issues/832)
- Fix a regression in 1.42.2 where inline snapshot updates would corrupt
the file when code preceded the macro (e.g., `let output =
assert_snapshot!(...)`).
[#&#8203;833](https://redirect.github.com/mitsuhiko/insta/issues/833)

</details>

---

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Author: nextest-bot

Cargo.lock

@@ -75,7 +75,7 @@ indent_write = "2.2.0"
 indexmap = "2.12.1"
 indicatif = "0.18.3"
 indoc = "2.0.7"
-insta = { version = "1.44.2", default-features = false }
+insta = { version = "1.44.3", default-features = false }
 is_ci = "1.2.0"
 itertools = "0.14.0"
 libc = "0.2.177"