workflow: update linux build to ubuntu 24.04 + qt6

.github/workflows/cmake-linux-amd64-appimage.yml

@@ -15,7 +15,7 @@ jobs:
     # The CMake configure and build commands are platform agnostic and should work equally well on Windows or Mac.
     # You can convert this to a matrix build if you need cross-platform coverage.
     # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
     - uses: actions/checkout@v2
@@ -25,7 +25,7 @@ jobs:
     - name: Install libefivar, libefiboot and their dev files
       run: |
         sudo apt update -y
-        sudo apt install -y libefivar-dev libefiboot-dev qt5-default
+        sudo apt install -y libefivar-dev libefiboot-dev qt6-base-dev qmake6-bin fuse
 
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
@@ -41,6 +41,7 @@ jobs:
       # Execute tests defined by the CMake configuration.  
       # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
       run: |
+        export QMAKE=/usr/lib/qt6/bin/qmake
         make install DESTDIR=AppDir
         wget https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage
         wget https://github.com/linuxdeploy/linuxdeploy-plugin-qt/releases/download/continuous/linuxdeploy-plugin-qt-x86_64.AppImage