There is an updated pull request by chrysos349 against master on the void-packages repository

https://github.com/chrysos349/void-packages libportal
https://github.com/void-linux/void-packages/pull/48662

libportal: update to 0.7.1, enable qt5 backend, add check
New apps requires the current `libportal`.
Also I enabled qt5 backend, and added check via pytest.

#### 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):
  - aarch64-musl x
  - armv7l x
  - armv6l-musl x

A patch file from https://github.com/void-linux/void-packages/pull/48662.patch is attached