feat(lane_change): enable lane change to accelerate in the lane changing segment

[purewater0901]

Description

Currently, the lane change module cannot accelerate the ego velocity while it is on the lane changing segment. With this PR, it can accelerate the ego velocity even when the ego vehicle is on the lane-changing segment.

Launch PR

Related links

Tests performed

Planning Simulators

Scenario Result 1309/1375
TIER IV Internal Link

Notes for reviewers

Interface changes

There are no interface changes with this PR.

Effects on system behavior

If the ego velocity is lower than the road max velocity, the ego vehicle starts to accelerate during the lane change.

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[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.03 🎉

Comparison is base (7399476) 14.52% compared to head (ed67019) 14.56%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3762      +/-   ##
==========================================
+ Coverage   14.52%   14.56%   +0.03%     
==========================================
  Files        1442     1439       -3     
  Lines      101467   102235     +768     
  Branches    30160    30778     +618     
==========================================
+ Hits        14741    14891     +150     
- Misses      70586    71124     +538     
- Partials    16140    16220      +80     

Flag	Coverage Δ		*Carryforward flag
differential	13.20% <0.00%> (?)
total	14.54% <ø> (+0.01%)	⬆️	Carriedforward from 284779f

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

Impacted Files	Coverage Δ
...th_planner/scene_module/lane_change/base_class.hpp	10.52% <ø> (ø)
...r_path_planner/scene_module/lane_change/normal.hpp	100.00% <ø> (ø)
...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	19.03% <0.00%> (-0.05%)	⬇️
...th_planner/src/scene_module/lane_change/normal.cpp	4.02% <0.00%> (-0.09%)	⬇️
...avior_path_planner/src/utils/lane_change/utils.cpp	0.88% <0.00%> (-0.03%)	⬇️
...th_planner/src/utils/path_shifter/path_shifter.cpp	0.00% <0.00%> (ø)
planning/behavior_path_planner/src/utils/utils.cpp	19.98% <ø> (+3.11%)	⬆️

... and 17 files with indirect coverage changes

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[rej55]

LGTM