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

doxygen: update to 1.9.8
https://github.com/void-linux/void-packages/pull/47499

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

#### New package
- This new package conforms to the [package requirements](https://github.com/void-linux/void-packages/blob/master/CONTRIBUTING.md#package-requirements): **YES**


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#### Local build testing
- I built this PR locally for my native architecture, (Linux voidlinux 6.1.55_2 SMP PREEMPT_DYNAMIC x86_64 GNU/Linux)
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