Trying macos runner

Author: gautamdsheth

.github/workflows/buildpr.yml

@@ -12,7 +12,7 @@ permissions: read-all
 
 jobs:
   build_dev_branch:
-    runs-on: ubuntu-latest
+    runs-on: macos-latest
     steps:
     - name: Checkout PnP.Framework
       uses: actions/checkout@v4