Try to get to work Qt 6.8.* with aqtinstall

Author: mrbean-bremen

.github/workflows/build_latest.yml

@@ -35,7 +35,7 @@ jobs:
       uses: jurplel/install-qt-action@v4
       with:
         # 6.7.* currently does not work with ubuntu with this action
-        version: ${{ matrix.os == 'ubuntu' && matrix.qt-version == '6.7.*' && '6.6.*' || matrix.qt-version }}
+        version: ${{ (matrix.qt-version == '6.8.*' || (matrix.os == 'ubuntu' && matrix.qt-version == '6.7.*')) && '6.6.*' || matrix.qt-version }}
         modules: ${{startsWith(matrix.qt-version, '6') && 'qt5compat qtscxml qtpositioning qtwebchannel qtmultimedia qtwebengine' || '' }}
         arch: ${{ matrix.os == 'ubuntu' && 'gcc_64' || (startsWith(matrix.qt-version, '5.12') && 'win64_msvc2017_64' || 'win64_msvc2019_64') }}