win: installation directory fix

.github/workflows/CI.yml

@@ -261,7 +261,7 @@ jobs:
         if: ${{ github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch' }}
         uses: actions/upload-artifact@v3
         with:
-          name: sunshine-windows-installer
+          name: sunshine-windows-standalone
           path: artifacts/sunshine-windows-standalone.zip
 
   release: