Update Rust crate mimalloc to 0.1.39 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
mimalloc	dependencies	patch	0.1.38 -> 0.1.39

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Release Notes

purpleprotocol/mimalloc_rust (mimalloc)

### [`v0.1.39`](https://togithub.com/purpleprotocol/mimalloc_rust/releases/tag/v0.1.39): Version 0.1.39 [Compare Source](https://togithub.com/purpleprotocol/mimalloc_rust/compare/v0.1.38...v0.1.39) ##### Changes - Reduced binary size (credits [@​Jake-Shadle](https://togithub.com/Jake-Shadle)). - Fix secure mode alignment by not using `may_use_unaligned_api` (credits [@​nathaniel-daniel](https://togithub.com/nathaniel-daniel)).

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Configuration

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