Attempt a Qt build action.

.github/workflows/build.yml

@@ -85,3 +85,20 @@ jobs:
             jobs=1
         esac
         scons -j"$jobs"
+  build-qt:
+    name: Qt / ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+    - name: Install dependencies
+      uses: jurplel/install-qt-action@v3
+      with:
+        version: '6.5.2'
+    - name: Make
+      working-directory: OSBindings/Qt
+      shell: bash
+      run: qmake