Change Qt version 6.9.0

Author: DavidLazarescu

.github/workflows/test.yml

@@ -60,7 +60,7 @@ jobs:
       - name: Install Qt
         uses: jurplel/install-qt-action@v3
         with:
-          version: '6.5.3'
+          version: '6.9.0'
 
       - name: Build
         run: |