v3.13.15
[3.13] gh-123826: Fix unused function warnings in mimalloc on NetBSD (GH-123827) (#123875)
gh-90815: Add mimalloc memory allocator (#109914)
gh-115103: Enable internal mimalloc assertions in debug builds (#116343)
[3.13] Fix typos (#123775) (#123866)
gh-115103: Delay reuse of mimalloc pages that store PyObjects (#115435)
[3.13] gh-151065: Copy fix for memory leak from mimalloc upstream (GH-151066) (GH-151385)
[3.13] gh-123022: Fix crash with `Py_Initialize` in background thread (GH-123052) (#123114)
gh-117755: Fix mimalloc for huge allocation on s390x (#117809)