feat(crosswalk): suppress chattering of GO/STOP decision

[takayuki5168]

Description

Fixed chattering GO/STOP decision in crosswalk by adding a hysteresis.

Tests performed

• planning simualtor
• scenario simulator
  • no degradation: https://evaluation.tier4.jp/evaluation/reports/189b1cc2-4f1b-51d0-b819-d6aea0553d20?project_id=prd_jt

Effects on system behavior

Chattering suppression of GO/STOP decision in crosswalk

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[codecov]

Codecov Report

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

Comparison is base (cd9f5ce) 14.89% compared to head (4afa837) 14.89%.
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4471      +/-   ##
==========================================
- Coverage   14.89%   14.89%   -0.01%     
==========================================
  Files        1520     1520              
  Lines      104882   104908      +26     
  Branches    31954    31962       +8     
==========================================
  Hits        15623    15623              
- Misses      72199    72221      +22     
- Partials    17060    17064       +4     

Flag	Coverage Δ		*Carryforward flag
differential	10.81% <0.00%> (?)
total	14.90% <ø> (+<0.01%)	⬆️	Carriedforward from cd9f5ce

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

Files Changed	Coverage Δ
...behavior_velocity_crosswalk_module/src/manager.cpp	12.37% <0.00%> (-0.54%)	⬇️
..._velocity_crosswalk_module/src/scene_crosswalk.cpp	0.00% <0.00%> (ø)
..._velocity_crosswalk_module/src/scene_crosswalk.hpp	0.00% <0.00%> (ø)

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