fix issue

Author: minggangw

.github/workflows/windows-build-and-test.yml

@@ -63,6 +63,7 @@ jobs:
       shell: cmd
       run: |
         cd C:\dev
+        irm https://raw.githubusercontent.com/ros2/ros2/refs/heads/rolling/pixi.toml -OutFile pixi.toml
         pixi shell
         call "c:\dev\${{ needs.identify-ros-distro.outputs.distro }}\ros2-windows\local_setup.bat"
         ros2 run demo_nodes_py talker