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

https://github.com/voidbert/void-packages swayimg
https://github.com/void-linux/void-packages/pull/48615

swayimg: update to 2.1.
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#### Testing the changes
- I tested the changes in this PR: **YES**

#### 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):
  - armv6l-musl

This PR also solves `swayimg --version` showing `0.0.0`. Could some more experienced maintainer provide a way of solving this issue without a patch? Would using `sed` be preferred?

A patch file from https://github.com/void-linux/void-packages/pull/48615.patch is attached