Adjust the joint limits to suit the env beamline

[ChandimaFernando]

The default parameters for the joint limits are from the ur_description package. Those parameters must be adjusted to suit the ur3e robot + gripper deployed at a beamline environment.

https://github.com/maffettone/erobs/blob/f87659f7e1879e65f334b6f0494e33a6e15d257f/src/ur3e_hande_robot_description/config/ur3e/joint_limits.yaml#L11