Bump xattr version for darwin

[mrmeszaros]

Resolves: #8528

Bumping the version fixes the missing xattr/lib_build.h file issue.

I have one question: is this lib only needed for osx / darwin?
If yes - I would like to remove the TODO comment
If not - I would like to test this for other sys_platforms

[Secrus]

There is a TODO comment here that explains why this comment is there. If you want to explore that further, feel free to do it and submit a PR, but it would be out of scope for this PR here.

EDIT: At first I didn't notice that it was your TODO left in pyproject.toml. Anyway, my point stands, if you want to make xattr (and the features we use it for) cross-platform, feel free to submit PR, otherwise you can just remove the TODO from pyproject.toml.

[Secrus]

@mrmeszaros I have opened #8801 since I had some problems fixing issues in your PR. I added you as co-author to commit in my PR, I hope you don't mind.

[mrmeszaros]

@Secrus I had a bigger load on my day job and did not have the time to check back till now.

So Thank You :)

[github-actions]

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