chore(map_loader): add maintainer

[YamatoAndo]

Description

add maintainer

Tests performed

Not applicable.

Effects on system behavior

Not applicable.

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[KYabuuchi]

lgtm🙆

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ef7a2b9) 14.40% compared to head (276513b) 14.40%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6232   +/-   ##
=======================================
  Coverage   14.40%   14.40%           
=======================================
  Files        1906     1906           
  Lines      129839   129839           
  Branches    37571    37571           
=======================================
  Hits        18699    18699           
  Misses      90146    90146           
  Partials    20994    20994           

Flag	Coverage Δ		*Carryforward flag
differential	26.74% <ø> (?)
total	14.40% <ø> (ø)		Carriedforward from ef7a2b9

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

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