Bump to 0.4.1: add bin/ symlink for pixi global install

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Entire-Checkpoint: 6abeba3e0562

Author: facontidavide

conda.recipe/recipe.yaml

@@ -1,5 +1,5 @@
 context:
-  version: "0.4.0"
+  version: "0.4.1"
 
 package:
   name: pj-bridge-ros2-${{ ros_distro }}