feat(dynamic_avoidance): minimum object polygon longitudinal margin

[takayuki5168]

Description

Added a minimum longitudinal margin for object polygon to generate a drivable area.

Tests performed

planning simulator

Effects on system behavior

Nothing

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[codecov]

Codecov Report

Patch coverage: 0.46% and project coverage change: -0.01% ⚠️

Comparison is base (4ed36d2) 15.11% compared to head (0da42d5) 15.10%.
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4758      +/-   ##
==========================================
- Coverage   15.11%   15.10%   -0.01%     
==========================================
  Files        1568     1568              
  Lines      108137   108158      +21     
  Branches    33188    33214      +26     
==========================================
- Hits        16344    16342       -2     
- Misses      73991    74003      +12     
- Partials    17802    17813      +11     

Flag	Coverage Δ		*Carryforward flag
differential	13.09% <0.46%> (?)
total	15.13% <ø> (+0.02%)	⬆️	Carriedforward from 4ed36d2

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

Files Changed	Coverage Δ
...ule/dynamic_avoidance/dynamic_avoidance_module.hpp	0.00% <ø> (ø)
...ule/dynamic_avoidance/dynamic_avoidance_module.cpp	0.00% <0.00%> (ø)
...ner/src/scene_module/dynamic_avoidance/manager.cpp	0.00% <0.00%> (ø)
...h_planner/src/scene_module/lane_change/manager.cpp	5.34% <0.00%> (-1.29%)	⬇️
...ocity_virtual_traffic_light_module/src/manager.cpp	0.00% <ø> (ø)
...g/behavior_velocity_walkway_module/src/manager.cpp	24.39% <ø> (+1.13%)	⬆️
...ath_planner/src/scene_module/avoidance/manager.cpp	6.25% <0.94%> (-0.29%)	⬇️

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