docs: update projection type from "local" to "Local"

[mitsudome-r]

Description

This updates the documentation around local projector to match with the updates in Autoware.Universe.
Note that this should be merged after autowarefoundation/autoware.universe#9392

Tests performed

Not applicable.

Effects on system behavior

Not applicable.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 16.09%. Comparing base (36f5ffb) to head (046132f).
Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #34   +/-   ##
=======================================
  Coverage   16.08%   16.09%           
=======================================
  Files          42       42           
  Lines        3083     3082    -1     
  Branches     1395     1394    -1     
=======================================
  Hits          496      496           
+ Misses       2494     2493    -1     
  Partials       93       93           

Flag	Coverage Δ		*Carryforward flag
differential	16.09% <ø> (-0.66%)	⬇️
total	16.09% <ø> (ø)		Carriedforward from 36f5ffb

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

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