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

mgba: update to 0.9.3
https://github.com/void-linux/void-packages/pull/34873

Description:
#### 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-glibc)
- I built this PR locally for these architectures:
  - aarch64-glibc (cross on x86_64 host)