installing qt 6.7, 6.8 webassembly version fails

[adam-ce]

Currently the webassembly version is broken as Qt changed the location of the binaries in Qt 6.7 and 6.8.

This needs changes in aqt first, tracked upstream: miurahr/aqtinstall#779

But it also needs changes in install-qt-action. @timangus implmented a workaround here: https://github.com/timangus/install-qt-action

For anybody looking, this workaround works only for Qt 6.7 via:

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        qtarch: [wasm_singlethread, android_arm64_v8a]
        qtversion: ['6.7.0']
        include:
          - qtarch: wasm_singlethread
            qttarget: 'wasm'
            qthost: 'all_os'
            qtmodules: ''
            additional_build_flags: '--target install'
            aqtsource: 'git+https://github.com/timangus/aqtinstall.git'
          - qtarch: android_arm64_v8a
            qttarget: 'android'
            qthost: 'linux'
            aqtsource: 'git+https://github.com/miurahr/aqtinstall.git'
          
    steps:
    - name: Install dependencies
      run: |
        sudo apt-get update
        sudo apt-get install -y build-essential ninja-build
        
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0
        fetch-tags: true
    
    - uses: mymindstorm/setup-emsdk@v13
      if: matrix.qttarget == 'wasm'
      with:
        version: 3.1.50
        
    - name: Install Qt native version (required by android version)
      uses: timangus/install-qt-action@deployed
      with:
        aqtsource: ${{ matrix.aqtsource }}
        version: ${{ matrix.qtversion }}
        host: linux
        target: 'desktop'
        arch: linux_gcc_64
        dir: '${{github.workspace}}/qt'
        install-deps: 'true'

[Kidev]

Should be fixed once this PR is merged miurahr/aqtinstall#846