Fixes outdated dofbot path in tutorial scripts (#544)

Assets paths for dofbot and jetbot were updated for Isaac Sim 5.0 and
previous paths no longer worked.
Updates the paths to follow new paths for Isaac Sim 5.0.

## Checklist

- [X] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./isaaclab.sh --format`
- [X] I have made corresponding changes to the documentation
- [X] My changes generate no new warnings
- [X] I have added tests that prove my fix is effective or that my
feature works
- [X] I have updated the changelog and the corresponding version in the
extension's `config/extension.toml` file
- [X] I have added my name to the `CONTRIBUTORS.md` or my name already
exists there

scripts/tutorials/01_assets/add_new_robot.py

@@ -32,13 +32,13 @@ from isaaclab.scene import InteractiveScene, InteractiveSceneCfg
 from isaaclab.utils.assets import ISAAC_NUCLEUS_DIR
 
 JETBOT_CONFIG = ArticulationCfg(
-    spawn=sim_utils.UsdFileCfg(usd_path=f"{ISAAC_NUCLEUS_DIR}/Robots/Jetbot/jetbot.usd"),
+    spawn=sim_utils.UsdFileCfg(usd_path=f"{ISAAC_NUCLEUS_DIR}/Robots/NVIDIA/Jetbot/jetbot.usd"),
     actuators={"wheel_acts": ImplicitActuatorCfg(joint_names_expr=[".*"], damping=None, stiffness=None)},
 )
 
 DOFBOT_CONFIG = ArticulationCfg(
     spawn=sim_utils.UsdFileCfg(
-        usd_path=f"{ISAAC_NUCLEUS_DIR}/Robots/Dofbot/dofbot.usd",
+        usd_path=f"{ISAAC_NUCLEUS_DIR}/Robots/Yahboom/Dofbot/dofbot.usd",
         rigid_props=sim_utils.RigidBodyPropertiesCfg(
             disable_gravity=False,
             max_depenetration_velocity=5.0,