chore(behavior_velocity_planner): decrease extra_object_width for dyn…

…amic_obstacle_stop (autowarefoundation#776)

* feat(behavior_velocity_planner): decrease extra_object_width for dynamic_obstacle_stop

* Update dynamic_obstacle_stop.param.yaml

autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_velocity_planner/dynamic_obstacle_stop.param.yaml

@@ -1,7 +1,7 @@
 /**:
   ros__parameters:
     dynamic_obstacle_stop: # module to stop or before entering the immediate path of a moving object
-      extra_object_width: 1.0  # [m] extra width around detected objects
+      extra_object_width: 0.6  # [m] extra width around detected objects
       minimum_object_velocity: 0.5  # [m/s] objects with a velocity bellow this value are ignored
       stop_distance_buffer: 0.5  # [m] extra distance to add between the stop point and the collision point
       time_horizon: 5.0  # [s] time horizon used for collision checks