feat(hazard_status_converter): add package

[isamu-takagi]

Description

https://github.com/orgs/autowarefoundation/discussions/4176
This change removes system_error_monitor and /hazard_status is no longer output, so add a conversion node for compatibility.

Note: This node was first implemented in https://github.com/tier4/autoware.universe. Therefore, the publication year of the copyright is 2023.

Tests performed

1. Run this command
   ros2 launch diagnostic_graph_aggregator example.launch.xml
2. Run this command in other terminal
   ros2 launch hazard_status_converter hazard_status_converter.launch.xml
3. Check if hazard status is output.
   ros2 topic echo /hazard_status

Effects on system behavior

None

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[mkuri]

LGTM

[codecov]

Codecov Report

Attention: 47 lines in your changes are missing coverage. Please review.

Comparison is base (c9e6dda) 14.99% compared to head (cadabaa) 14.99%.
Report is 42 commits behind head on main.

Files	Patch %	Lines
system/hazard_status_converter/src/converter.cpp	0.00%	47 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6428      +/-   ##
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- Coverage   14.99%   14.99%   -0.01%     
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  Files        1838     1839       +1     
  Lines      127099   127121      +22     
  Branches    38075    38065      -10     
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  Hits        19062    19062              
- Misses      86715    86737      +22     
  Partials    21322    21322              

Flag	Coverage Δ		*Carryforward flag
differential	0.00% <0.00%> (?)
total	15.00% <ø> (+<0.01%)	⬆️	Carriedforward from c9e6dda

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