chore(planning_validator): fix typo

[TakaHoribe]

Description

fix typo

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[codecov]

Codecov Report

Base: 11.35% // Head: 11.58% // Increases project coverage by +0.22% 🎉

Coverage data is based on head (f95d923) compared to base (fee4d11).
Patch coverage: 45.84% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2707      +/-   ##
==========================================
+ Coverage   11.35%   11.58%   +0.22%     
==========================================
  Files        1279     1288       +9     
  Lines       89462    90051     +589     
  Branches    23678    23955     +277     
==========================================
+ Hits        10161    10431     +270     
- Misses      68531    68645     +114     
- Partials    10770    10975     +205     

Flag	Coverage Δ		*Carryforward flag
differential	45.84% <45.84%> (?)
total	11.35% <ø> (ø)		Carriedforward from fee4d11

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

Impacted Files	Coverage Δ
...jectory_publisher/invalid_trajectory_publisher.cpp	0.00% <0.00%> (ø)
...idator/test/src/test_planning_validator_pubsub.cpp	35.29% <35.29%> (ø)
...idator/test/src/test_planning_validator_helper.cpp	37.93% <37.93%> (ø)
...ning/planning_validator/src/planning_validator.cpp	45.60% <45.60%> (ø)
...tor/test/src/test_planning_validator_functions.cpp	50.94% <50.94%> (ø)
planning/planning_validator/src/utils.cpp	54.90% <54.90%> (ø)
planning/planning_validator/src/debug_marker.cpp	65.00% <65.00%> (ø)
planning/planning_validator/test/src/test_main.cpp	66.66% <66.66%> (ø)
...idator/include/planning_validator/debug_marker.hpp	100.00% <100.00%> (ø)

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[wep21]

LGTM