chore(deps): update rust crate allocator-api2 to v0.2.20

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
allocator-api2	workspace.dependencies	patch	0.2.19 -> 0.2.20

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Configuration

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Latest commit: 4e49c40

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[codspeed-hq]

CodSpeed Performance Report

Merging #9733 will not alter performance

_{Comparing renovate/patch-cargo (4e49c40) with main (9f8c14f)}

Summary

✅ 194 untouched benchmarks