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

sigi: update to 3.4.0
https://github.com/void-linux/void-packages/pull/36632

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

There are no breaking changes introduced since 3.1.0. There are some added features (e.g. an interactive/stdin mode), some bugfixes, and some internal things like refactoring & updates to tests.

https://github.com/hiljusti/sigi/compare/v3.1.0...v3.4.0

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