Updated the GitHub macOS runner due to QTBUG-117225

Author: mmatyas

.github/workflows/macos.yml

@@ -11,7 +11,7 @@ env:
 
 jobs:
   macos-static:
-    runs-on: macos-13
+    runs-on: macos-12
     steps:
       - uses: actions/checkout@v3
         with: {submodules: 'recursive', fetch-depth: 0, fetch-tags: true}