Update Rust crate mimalloc to v0.1.43

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
mimalloc	workspace.dependencies	patch	0.1.42 -> 0.1.43

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Release Notes

purpleprotocol/mimalloc_rust (mimalloc)

### [`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 [@​BlackDex](https://togithub.com/BlackDex))

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