build: Update bundles-mac.yml (gluonhq#735, gluonhq#736)

Run workflow on macOS-13 for Intel build

Author: jperedadnr

.github/workflows/bundles-mac.yml

@@ -36,7 +36,7 @@ on:
         required: true
 jobs:
   build:
-    runs-on: macos-latest
+    runs-on: macos-13
     steps:
       - uses: actions/checkout@v4