fixup! Upgrade to install-qt-action@v4

Author: hasselmm

.github/workflows/integration.yaml

@@ -235,6 +235,7 @@ jobs:
         run: cmake ${{github.workspace}}
                 -DCMAKE_BUILD_TYPE:STRING=Release
                 -DQT_DIR:PATH=$QT_ROOT_DIR/lib/cmake/${{matrix.package}}
+                -D${{matrix.package}}_DIR:PATH=$QT_ROOT_DIR/lib/cmake/${{matrix.package}}
                 --debug-find-pkg=QT
                 ${{ join(matrix.cmake-flags, ' ') }}