Update Rust crate mimalloc to v0.1.43 (#405)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [mimalloc](https://togithub.com/purpleprotocol/mimalloc_rust) |
workspace.dependencies | patch | `0.1.42` -> `0.1.43` |

---

### Release Notes

<details>
<summary>purpleprotocol/mimalloc_rust (mimalloc)</summary>

###
[`v0.1.43`](https://togithub.com/purpleprotocol/mimalloc_rust/releases/tag/v0.1.43):
Version 0.1.43

[Compare
Source](https://togithub.com/purpleprotocol/mimalloc_rust/compare/v0.1.42...v0.1.43)

##### Changes

-   Mimalloc `v2.1.7`
- Fix static builds (credits
[@&#8203;BlackDex](https://togithub.com/BlackDex))

</details>

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