Update check_patches_clean_apply.py script to work after vinca update to rattler-build

[traversaro]

The check_patches_clean_apply.py script (available in https://github.com/RoboStack/ros-humble/blob/main/check_patches_clean_apply.py and https://github.com/RoboStack/ros-jazzy/blob/main/check_patches_clean_apply.py) is quite useful to quickly check if the patches cleanly apply, without the need to actually do a full rebuild.

This is particularly useful is many patches have been upstreamed and release, to quickly remove the patches have been upstreamed.

The script stopped working as we switched vinca from generating boa to generating rattler-build recipes, so it would be useful to update the script to work again with rattler-build.