gh-159111: Update vendored mimalloc to v2.5.2 · python/cpython@fea8db6

Triggered via pull request October 11, 2026 23:04

corona10

synchronize #159112

corona10:gh-159111

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Total duration 9s

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require-pr-label.yml

on: pull_request

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This PR is labelled type-feature. All features require approval from a core team member before merge. Found: type-feature, awaiting core review