feat(motion_utils): add planning factor interface

[satoshi-ota]

Description

Add planning factor interface to make it easier for developper to output PlaninningFactor.msg.

Related links

Parent Issue:

• feat(tier4_planning_msgs): add new msgs to analyze ego behavior tier4/tier4_autoware_msgs#155

How was this PR tested?

• PASS TIER IV INTERNAL SCENARIOS

Notes for reviewers

None.

Interface changes

None.

Effects on system behavior

None.

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 47 lines in your changes missing coverage. Please review.

Project coverage is 29.83%. Comparing base (33190c6) to head (c570803).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
.../motion_utils/factor/planning_factor_interface.hpp	0.00%	47 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9676      +/-   ##
==========================================
+ Coverage   29.81%   29.83%   +0.02%     
==========================================
  Files        1443     1444       +1     
  Lines      108607   108664      +57     
  Branches    42668    42678      +10     
==========================================
+ Hits        32378    32425      +47     
- Misses      73049    73053       +4     
- Partials     3180     3186       +6     

Flag	Coverage Δ		*Carryforward flag
differential	32.10% <0.00%> (?)
total	29.81% <ø> (ø)		Carriedforward from 33190c6

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

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