Use macOS 13 runner image for x64 arch

Author: Paulchen-Panther

.github/workflows/qt5_6.yml

@@ -97,7 +97,7 @@ jobs:
 
   macOS:
     name: 🍏 macOS x64
-    runs-on: macos-latest
+    runs-on: macos-13
     steps:
       - name: ⬇ Checkout
         uses: actions/checkout@v4