fix: leakage of NumaNodeMasks

[qzhuyan]

Description

fix a NumaNodeMasks leakage.

Testing

Do any existing tests cover this change? Are new tests needed?

Documentation

N/A

[nibanks]

Thanks for the fix! I don't know how I missed this when I added the code originally!

[qzhuyan]

No rush.

I am checking if it is ok to free since it is used by pthread_setaffinity_np

Thanks for the fix! I don't know how I missed this when I added the code originally!

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (main@f9d26ac). Click here to learn what that means.
Report is 10 commits behind head on main.
The diff coverage is n/a.

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