Try setup-python: true to fix #2441

.github/workflows/windows.yml

@@ -70,7 +70,7 @@ jobs:
           version: '6.7.3'
           dir: ${{matrix.config.QT_INST_DIR}}
           arch: ${{matrix.config.QT_ARCH}}
-          setup-python: false
+          setup-python: true
           modules: 'qtcharts qtscxml qt5compat qtlocation qtmultimedia qtpositioning qtserialport qtspeech qtwebsockets qtwebengine qtshadertools qtwebchannel'
       - name: build sdrangel on Windows
         if: startsWith(matrix.config.os, 'windows')