There is an updated pull request by oynqr against master on the void-packages repository

https://github.com/oynqr/void-packages python3-pikepdf
https://github.com/void-linux/void-packages/pull/45068

python3-pikepdf: update to 8.1.1.
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#### Testing the changes
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A patch file from https://github.com/void-linux/void-packages/pull/45068.patch is attached