[New mimalloc version] Release v3.3.2

[github-actions]

https://github.com/microsoft/mimalloc/releases/tag/v3.3.2

[rimrul]

/open pr

The workflow run was started

[rimrul]

I somehow thought we could do /open pr on mimalloc, but we obviously can't.

[dscho]

I somehow thought we could do /open pr on mimalloc, but we obviously can't.

Interesting! I guess this could be an easy win for an AI-assisted session.

[dscho]

Even easier win: #6231