Update Cassie MJCF description

Author: stephane-caron

CHANGELOG.md

@@ -11,6 +11,10 @@ All notable changes to this project will be documented in this file.
 - Loader: MuJoCo
 - Unit tests to check that MuJoCo loads all MJCF descriptions successfully
 
+### Changed
+
+- Cassie: update to description from MuJoCo Menagerie
+
 ## [0.4.0] - 2022/09/14
 
 ### Added

robot_descriptions/cassie_mj_description.py

@@ -23,8 +23,8 @@
 
 from ._cache import clone_to_cache as _clone_to_cache
 
-REPOSITORY_PATH: str = _clone_to_cache("cassie_mj_description")
+REPOSITORY_PATH: str = _clone_to_cache("mujoco_menagerie")
 
-PACKAGE_PATH: str = _path.join(REPOSITORY_PATH)
+PACKAGE_PATH: str = _path.join(REPOSITORY_PATH, "agility_cassie")
 
-MJCF_PATH: str = _path.join(PACKAGE_PATH, "xml", "cassie.xml")
+MJCF_PATH: str = _path.join(PACKAGE_PATH, "cassie.xml")