editoast: add utoipa annotation for infra/{id}/speed_limit_tags

[hamz2a]

Part of #4580

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 71.87500% with 9 lines in your changes are missing coverage. Please review.

Project coverage is 29.10%. Comparing base (f72ba7f) to head (7adad66).

Files	Patch %	Lines
...src/applications/editor/components/LayersModal.tsx	0.00%	5 Missing ⚠️
...src/common/Map/Settings/MapSettingsSpeedLimits.tsx	0.00%	2 Missing ⚠️
...Selector/useStoreDataForSpeedLimitByTagSelector.ts	0.00%	2 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff            @@
##                dev    #7331   +/-   ##
=========================================
  Coverage     29.09%   29.10%           
  Complexity     2020     2020           
=========================================
  Files          1137     1137           
  Lines        139647   139655    +8     
  Branches       2757     2757           
=========================================
+ Hits          40635    40642    +7     
- Misses        97403    97404    +1     
  Partials       1609     1609           

Flag	Coverage Δ
core	76.76% <ø> (ø)
editoast	72.08% <100.00%> (+<0.01%)	⬆️
front	9.34% <59.09%> (+<0.01%)	⬆️
gateway	2.43% <ø> (ø)
railjson_generator	87.49% <ø> (ø)
tests	83.96% <ø> (ø)

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[SharglutDev]

Lgtm