Rollback to macOS 13 for included vcpkg install

Author: wravery

.github/workflows/macos.yml

@@ -9,7 +9,7 @@ jobs:
       matrix:
         config: [Debug, Release]
 
-    runs-on: macos-latest
+    runs-on: macos-13
 
     steps:
     - uses: actions/checkout@v3