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

ImageMagick: update to 7.1.0.19.
https://github.com/void-linux/void-packages/pull/35008

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

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#### Local build testing
- I built this PR locally for my native architecture, (x86_64-musl)
- I built this PR locally for these architectures (if supported. mark crossbuilds):
  - ppc64le-musl