There is a new pull request by abenson against master on the void-packages repository

https://github.com/abenson/void-packages strongswan_pkcs11
https://github.com/void-linux/void-packages/pull/43058

strongswan: enable pkcs11 plugin
#### Testing the changes
- I tested the changes in this PR: **NO**

#### Local build testing
- I built this PR locally for my native architecture, x86_64

A patch file from https://github.com/void-linux/void-packages/pull/43058.patch is attached