Use latest actions

Author: andibacher

.github/workflows/cmake-ubuntu.yml

@@ -28,7 +28,7 @@ jobs:
       run: sudo apt-get install ninja-build
 
     - name: Install Qt
-      uses: jurplel/install-qt-action@v2
+      uses: jurplel/install-qt-action@v3
       with:
         version: ${{matrix.qt_version}}