fix(ekf_localizer): change roll, pitch proc dev

[YamatoAndo]

Description

In this PR, since the squared value is now set, like

roll_filter_.set_proc_var(params_.roll_filter_proc_dev * params_.roll_filter_proc_dev);

So the parameter value has been adjusted by taking the square root.

Related links

Parent Issue:

• Link

How was this PR tested?

Notes for reviewers

test with autowarefoundation/autoware_launch#1140

Interface changes

None.

Effects on system behavior

None.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 24.10%. Comparing base (c80eddc) to head (9709333).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8619   +/-   ##
=======================================
  Coverage   24.10%   24.10%           
=======================================
  Files        1399     1399           
  Lines      102455   102448    -7     
  Branches    38921    38917    -4     
=======================================
  Hits        24695    24695           
+ Misses      75235    75228    -7     
  Partials     2525     2525           

Flag	Coverage Δ		*Carryforward flag
differential	31.43% <ø> (?)
total	24.10% <ø> (-0.01%)	⬇️	Carriedforward from c80eddc

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