There's a merged pull request on the void-packages repository

python3-Sphinx: fix check, add changelog
https://github.com/void-linux/void-packages/pull/44017

Description:
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#### Testing the changes
- I tested the changes in this PR: **briefly**

currently checks fail with `ModuleNotFoundError: No module named 'filelock'`. Just adding `python3-filelock` to `checkdepends` fixes it.

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