chore(dynamic_obstacle_avoidance): margin_distance_around_pedestrian to 1.0 (autowarefoundation#1021)

Author: shmpwk

autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_path_planner/autoware_behavior_path_dynamic_obstacle_avoidance_module/dynamic_obstacle_avoidance.param.yaml

@@ -57,7 +57,7 @@
           min_longitudinal_polygon_margin: 3.0 # [m]
 
         lat_offset_from_obstacle: 1.0 # [m]
-        margin_distance_around_pedestrian: 2.0 # [m]
+        margin_distance_around_pedestrian: 1.0 # [m]
         predicted_path:
           end_time_to_consider: 2.0 # [s]
           threshold_confidence: 0.0 # [] not probability