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

New package: signing party-2.11_1
https://github.com/void-linux/void-packages/pull/31552

Description:
<!-- Mark items with [x] where applicable -->

#### General
- [x] This is a new package and it conforms to the [quality requirements](https://github.com/void-linux/void-packages/blob/master/Manual.md#quality-requirements)

#### Have the results of the proposed changes been tested?
- [x] I use the packages affected by the proposed changes on a regular basis and confirm this PR works for me
- [ ] I generally don't use the affected packages but briefly tested this PR

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  - [ ] armv6l-musl
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### TODOs
 - [x] fix cross compilation
 - [ ] fix bug in <del>perl-Interface-GnuPG (version detection is broken, which causes it to refuse operation)</del> caff, which does *something* to break version detection in perl-Interface-GnuPG