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

pdf.js: update to 2.16.105, switch to legacy build
https://github.com/void-linux/void-packages/pull/40078

Description:
The legacy build fixes the regression in #40061. I don't know whether there is a reason *not* to use the legacy build; if so, we'll need a separate package.

Closes #40061.

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

cc: @heittpr