chore: add code owners

[taikitanaka3]

Description

• add maintainers

Pre-review checklist for the PR author

The PR author must check the checkboxes below when creating the PR.

• I've confirmed the contribution guidelines.
• The PR follows the pull request guidelines.

In-review checklist for the PR reviewers

The PR reviewers must check the checkboxes below before approval.

• The PR follows the pull request guidelines.

Post-review checklist for the PR author

The PR author must check the checkboxes below before merging.

• There are no open discussions or they are tracked via tickets.

After all checkboxes are checked, anyone who has write access can merge the PR.

[codecov]

Codecov Report

Base: 10.43% // Head: 10.90% // Increases project coverage by +0.46% 🎉

Coverage data is based on head (4ebe5cb) compared to base (e76ee5d).
Patch coverage: 49.12% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1869      +/-   ##
==========================================
+ Coverage   10.43%   10.90%   +0.46%     
==========================================
  Files        1226     1235       +9     
  Lines       87947    89151    +1204     
  Branches    20457    21458    +1001     
==========================================
+ Hits         9176     9719     +543     
- Misses      69269    69620     +351     
- Partials     9502     9812     +310     

Flag	Coverage Δ		*Carryforward flag
differential	11.95% <49.01%> (?)
total	10.41% <14.28%> (ø)		Carriedforward from e76ee5d

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

Impacted Files	Coverage Δ
...n/motion_utils/test/src/resample/test_resample.cpp	35.33% <8.33%> (+9.66%)	⬆️
common/motion_utils/src/resample/resample.cpp	39.24% <78.57%> (+7.16%)	⬆️
...s/include/motion_utils/resample/resample_utils.hpp	78.94% <78.94%> (ø)
...ity_planner/src/scene_module/crosswalk/manager.cpp	0.00% <0.00%> (ø)
...ty_planner/src/scene_module/blind_spot/manager.cpp	0.00% <0.00%> (ø)
..._planner/src/scene_module/intersection/manager.cpp	0.00% <0.00%> (ø)
...planner/src/scene_module/traffic_light/manager.cpp	0.00% <0.00%> (ø)
...lanner/src/scene_module/detection_area/manager.cpp	0.00% <0.00%> (ø)
...nner/src/scene_module/no_stopping_area/manager.cpp	0.00% <0.00%> (ø)
...c/scene_module/intersection/scene_intersection.cpp	0.00% <0.00%> (ø)
... and 11 more

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