reduce the hysteresis value

Signed-off-by: Zulfaqar Azmi <zulfaqar.azmi@tier4.jp>

Author: zulfaqar-azmi-t4

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

@@ -103,7 +103,7 @@
         duration: 5.0                       # [s]
         max_lateral_jerk: 100.0             # [m/s3]
         overhang_tolerance: 0.0             # [m]
-        unsafe_hysteresis_threshold: 10     # [/]
+        unsafe_hysteresis_threshold: 5      # [/]
 
       finish_judge_lateral_threshold: 0.2        # [m]