feat(goal_planner): expand pull over lanes for detection area of path generation collision check (#808)

Signed-off-by: kosuke55 <kosuke.tnp@gmail.com>

Author: kosuke55

autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_path_planner/goal_planner/goal_planner.param.yaml

@@ -38,6 +38,7 @@
         object_recognition_collision_check_margin: 0.6 # this should be larger than `surround_check_distance` of surround_obstacle_checker
         object_recognition_collision_check_max_extra_stopping_margin: 1.0
         th_moving_object_velocity: 1.0
+        detection_bound_offset: 15.0
 
       # pull over
       pull_over: