fix(out_of_lane): improve stop decision

[maxime-clem]

Description

This PR improves the creation of the stop point decided by the out_of_lane module.

Related links

Launch PR: autowarefoundation/autoware_launch#615

Tests performed

Psim.

Notes for reviewers

Interface changes

Effects on system behavior

The out_of_lane module stop point is better calculated but it is still too unstable.

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[codecov]

Codecov Report

Attention: 49 lines in your changes are missing coverage. Please review.

Comparison is base (bab1453) 14.77% compared to head (4f4b4f7) 14.77%.
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5207      +/-   ##
==========================================
- Coverage   14.77%   14.77%   -0.01%     
==========================================
  Files        1636     1637       +1     
  Lines      113647   113642       -5     
  Branches    34941    34937       -4     
==========================================
- Hits        16793    16790       -3     
+ Misses      78014    78010       -4     
- Partials    18840    18842       +2     

Flag	Coverage Δ		*Carryforward flag
differential	22.74% <10.90%> (?)
total	14.77% <ø> (+<0.01%)	⬆️	Carriedforward from bab1453

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

Files	Coverage Δ
...behavior_velocity_out_of_lane_module/src/types.hpp	22.72% <ø> (ø)
...ut_of_lane_module/src/filter_predicted_objects.hpp	9.52% <0.00%> (+0.43%)	⬆️
...vior_velocity_out_of_lane_module/src/footprint.cpp	57.14% <50.00%> (ø)
...havior_velocity_out_of_lane_module/src/manager.cpp	19.14% <0.00%> (ø)
...city_out_of_lane_module/src/lanelets_selection.cpp	29.03% <0.00%> (-2.01%)	⬇️
...vior_velocity_out_of_lane_module/src/decisions.cpp	1.11% <0.00%> (+0.01%)	⬆️
...ocity_out_of_lane_module/src/scene_out_of_lane.cpp	25.84% <0.00%> (+<0.01%)	⬆️
...t_of_lane_module/src/calculate_slowdown_points.hpp	18.51% <18.51%> (ø)

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