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

remmina: compile with kwallet support
https://github.com/void-linux/void-packages/pull/44677

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

#### Local build testing
- I built this PR locally for my native architecture, x86_64
- I built this PR locally for these architectures (if supported. mark crossbuilds):
  - x86_64-musl
  - aarch64

### Description
Adds compile flag and dependency to support *KWallet* in Remmina so passwords can be stored.