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

cairo: update to 1.18.0.
https://github.com/void-linux/void-packages/pull/46356

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

~~Cross is failing because of https://gitlab.freedesktop.org/cairo/cairo/-/issues/613, which can be worked around by modifying meson's crossfile, but I'm not sure how to do that.~~

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