Fix issue

Author: minggangw

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

@@ -32,7 +32,7 @@ jobs:
 
     - uses: prefix-dev/[email protected]
       with:
-        pixi-version: v0.44.0
+        activate-environment: true
     - run: |
         irm https://raw.githubusercontent.com/ros2/ros2/refs/heads/rolling/pixi.toml -OutFile pixi.toml
         pixi install