Add ANYmal D description

[stephane-caron]

There is an issue loading this description in yourdfpy:

  ======================================================================
  ERROR: test_anymal_d_description (test_yourdfpy.TestYourdfpy)
  ----------------------------------------------------------------------
  Traceback (most recent call last):
    File "/home/runner/work/robot_descriptions.py/robot_descriptions.py/tests/loaders/test_yourdfpy.py", line 32, in test
      load_robot_description(description)
    File "/home/runner/work/robot_descriptions.py/robot_descriptions.py/.tox/loader-yourdfpy/lib/python3.9/site-packages/robot_descriptions/loaders/yourdfpy.py", line 45, in load_robot_description
      return yourdfpy.URDF.load(module.URDF_PATH, mesh_dir=module.PACKAGE_PATH)
    File "/home/runner/work/robot_descriptions.py/robot_descriptions.py/.tox/loader-yourdfpy/lib/python3.9/site-packages/yourdfpy/urdf.py", line 989, in load
      return URDF(robot=URDF._parse_robot(xml_element=xml_root), **kwargs)
    File "/home/runner/work/robot_descriptions.py/robot_descriptions.py/.tox/loader-yourdfpy/lib/python3.9/site-packages/yourdfpy/urdf.py", line 641, in __init__
      self._scene = self._create_scene(
    File "/home/runner/work/robot_descriptions.py/robot_descriptions.py/.tox/loader-yourdfpy/lib/python3.9/site-packages/yourdfpy/urdf.py", line 1335, in _create_scene
      self._add_geometries_to_scene(
    File "/home/runner/work/robot_descriptions.py/robot_descriptions.py/.tox/loader-yourdfpy/lib/python3.9/site-packages/yourdfpy/urdf.py", line 1269, in _add_geometries_to_scene
      new_s = self._geometry2trimeshscene(
    File "/home/runner/work/robot_descriptions.py/robot_descriptions.py/.tox/loader-yourdfpy/lib/python3.9/site-packages/yourdfpy/urdf.py", line 1240, in _geometry2trimeshscene
      new_s = new_s.scaled(geometry.mesh.scale)
    File "/home/runner/work/robot_descriptions.py/robot_descriptions.py/.tox/loader-yourdfpy/lib/python3.9/site-packages/trimesh/scene/scene.py", line 1084, in scaled
      geometry = geometries[group[0]]
  IndexError: index 0 is out of bounds for axis 0 with size 0

[coveralls]

Pull Request Test Coverage Report for Build 13701348273

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 6 of 6 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.02%) to 97.515%

---

Totals
Change from base Build 13701165554:	0.02%
Covered Lines:	981
Relevant Lines:	1006

---

💛 - Coveralls

[stephane-caron]

The issue was related to yourdfpy or trimesh and has been fixed upstream.