chore(deps): update rust crate mimalloc to 0.1.47

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
mimalloc	workspace.dependencies	patch	0.1.46 -> 0.1.47

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Release Notes

purpleprotocol/mimalloc_rust (mimalloc)

v0.1.47: Version 0.1.47

Compare Source

Changes

• Mimalloc v2.2.4

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Configuration

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[changeset-bot]

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Latest commit: 59c1fab

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[codspeed-hq]

CodSpeed Performance Report

Merging #6496 will not alter performance

_{Comparing renovate/mimalloc-0.x (59c1fab) with main (b98379d)}

Summary

✅ 115 untouched benchmarks