Merge branch 'victor_branch' into 'main'

update of ari object

See merge request spring/wp6_robot_behavior/multiparty_interaction_simulator!4

mpi_sim/objects/ari_robot.py

@@ -31,7 +31,6 @@ class ARIRobot(Object):
         dc.pan_orientation_offest = 0.0
         dc.density = 0.
 
-        dc.max_lin_vel = 0.4
         dc.max_ang_vel = np.pi/2
 
         dc.max_forward_speed = 5.