CI: run windows jobs without waiting for stage2

Author: jeremyd2019

.github/workflows/libcxx-build-and-test.yaml

@@ -239,7 +239,7 @@ jobs:
 
   windows:
     runs-on: windows-2022
-    needs: [ stage2 ]
+    #needs: [ stage2 ]
     strategy:
       fail-fast: false
       matrix: