ci: update github actions workflows
this updates the jobs that builds the client on windows and macOS on github actions
the jobs were failing due to missing qt-installer-framework
as well as failing to properly install qt6 on windows these
jobs now uses aqt
to install qt6 on both win and macos
Job run on github at: https://github.com/leapcode/bitmask-vpn/actions/runs/10429982882