chore(lane_change): don't exit for danger param

[TakaHoribe]

Description

The program will not be terminated with a danger parameter.

Tests performed

Not applicable.

Effects on system behavior

Not applicable.

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[zulfaqar-azmi-t4]

LGTM

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.01 ⚠️

Comparison is base (6f5af96) 14.35% compared to head (5eb8b9f) 14.35%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4092      +/-   ##
==========================================
- Coverage   14.35%   14.35%   -0.01%     
==========================================
  Files        1567     1567              
  Lines      107849   107852       +3     
  Branches    31231    31234       +3     
==========================================
  Hits        15487    15487              
- Misses      75522    75524       +2     
- Partials    16840    16841       +1     

Flag	Coverage Δ		*Carryforward flag
differential	13.57% <0.00%> (?)
total	14.36% <ø> (+<0.01%)	⬆️	Carriedforward from 6f5af96

*This pull request uses carry forward flags. Click here to find out more.

Impacted Files	Coverage Δ
...nner/utils/lane_change/lane_change_module_data.hpp	50.00% <ø> (ø)
...nner/include/behavior_path_planner/utils/utils.hpp	45.45% <ø> (ø)
...or_path_planner/src/behavior_path_planner_node.cpp	18.31% <0.00%> (ø)
...th_planner/src/scene_module/lane_change/normal.cpp	4.81% <0.00%> (-0.01%)	⬇️
planning/behavior_path_planner/src/utils/utils.cpp	15.29% <0.00%> (-0.03%)	⬇️

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