[BE][Ez]: Update mimalloc submodule to 2.2.3 (#154720)

Updating minor version of mimalloc. The old version is more than 2 years old, and the newer release has performance fixes and compiler fixes.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/154720
Approved by: https://github.com/jansel
This commit is contained in:
Aaron Gokaslan
2025-05-30 20:17:09 +00:00
committed by PyTorch MergeBot
parent 2f03673ebf
commit ed1ff7d0fb