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

qmk: depend on python3-Pillow
https://github.com/void-linux/void-packages/pull/46894

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

QMK requirements: https://github.com/qmk/qmk_firmware/blob/ca4541699915b37cd1f253bbed51854627efd2ce/requirements.txt#L13

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