feat(goal_planner): consider previous module's turn signal

[satoshi-ota]

Description

Consider previous module turn signal info.

Tests performed

• PASS TIER IV INTERNAL SCENARIOS

Effects on system behavior

Improve turn signal behavior.

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[codecov]

Codecov Report

Patch coverage: 18.57% and project coverage change: -0.01 ⚠️

Comparison is base (9693e36) 13.82% compared to head (be134fa) 13.81%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3637      +/-   ##
==========================================
- Coverage   13.82%   13.81%   -0.01%     
==========================================
  Files        1395     1395              
  Lines       98036    98089      +53     
  Branches    29147    29157      +10     
==========================================
+ Hits        13553    13555       +2     
- Misses      69826    69878      +52     
+ Partials    14657    14656       -1     

Flag	Coverage Δ		*Carryforward flag
differential	12.79% <18.57%> (?)
total	13.81% <ø> (-0.01%)	⬇️	Carriedforward from 9693e36

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

Impacted Files	Coverage Δ
.../scene_module/goal_planner/goal_planner_module.cpp	5.93% <0.00%> (-0.06%)	⬇️
.../behavior_path_planner/src/turn_signal_decider.cpp	40.89% <5.88%> (-9.85%)	⬇️
...or_path_planner/src/behavior_path_planner_node.cpp	19.75% <66.66%> (+0.12%)	⬆️
...ner/include/behavior_path_planner/data_manager.hpp	37.50% <100.00%> (ø)
...lude/behavior_path_planner/turn_signal_decider.hpp	85.71% <100.00%> (+10.71%)	⬆️

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[kosuke55]

LGTM