refactor(lane_change): replace sstream to fmt for marker's text

[zulfaqar-azmi-t4]

Description

Replacing ostringstream to fmt::format for text marker.

Related links

Parent Issue:

• Link

How was this PR tested?

Build success.
Check lane change debug marker in PSIM.

Notes for reviewers

None.

Interface changes

None.

Effects on system behavior

None.

[github-actions]

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[codecov]

Codecov Report

Attention: Patch coverage is 30.76923% with 9 lines in your changes missing coverage. Please review.

Project coverage is 29.67%. Comparing base (3d53032) to head (0f61bef).
Report is 9 commits behind head on main.

Files with missing lines	Patch %	Lines
...vior_path_lane_change_module/src/utils/markers.cpp	30.76%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9775      +/-   ##
==========================================
+ Coverage   29.66%   29.67%   +0.01%     
==========================================
  Files        1450     1452       +2     
  Lines      108833   108848      +15     
  Branches    42740    42730      -10     
==========================================
+ Hits        32285    32303      +18     
  Misses      73375    73375              
+ Partials     3173     3170       -3     

Flag	Coverage Δ		*Carryforward flag
differential	20.90% <30.76%> (?)
total	29.68% <ø> (+0.01%)	⬆️	Carriedforward from 16d5cb1

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

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[mkquda]

LGTM