feat(default_ad_api): add fail-safe api

[isamu-takagi]

Signed-off-by: Takagi, Isamu isamu.takagi@tier4.jp

Description

Add fail-safe API.
https://autowarefoundation.github.io/autoware-documentation/main/design/autoware-interfaces/ad-api/list/api/fail_safe/

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[codecov]

Codecov Report

Base: 10.50% // Head: 11.04% // Increases project coverage by +0.53% 🎉

Coverage data is based on head (bd72e33) compared to base (0a56b56).
Patch coverage: 24.73% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2295      +/-   ##
==========================================
+ Coverage   10.50%   11.04%   +0.53%     
==========================================
  Files        1248     1219      -29     
  Lines       90608    87256    -3352     
  Branches    20728    20833     +105     
==========================================
+ Hits         9517     9634     +117     
+ Misses      70996    67434    -3562     
- Partials    10095    10188      +93     

Flag	Coverage Δ		*Carryforward flag
differential	6.74% <24.73%> (?)
total	11.06% <ø> (+0.59%)	⬆️	Carriedforward from 8fbc79d

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

Impacted Files	Coverage Δ
system/default_ad_api/src/operation_mode.cpp	24.09% <24.09%> (ø)
system/default_ad_api/src/fail_safe.cpp	30.00% <30.00%> (ø)
...planning_evaluator/src/planning_evaluator_node.cpp	37.11% <0.00%> (-1.04%)	⬇️
planning/obstacle_avoidance_planner/src/node.cpp	0.00% <0.00%> (ø)
.../obstacle_avoidance_planner/src/utils/cv_utils.cpp	0.00% <0.00%> (ø)
...stacle_avoidance_planner/src/utils/debug_utils.cpp	0.00% <0.00%> (ø)
...vior_velocity_planner/include/utilization/util.hpp	0.00% <0.00%> (ø)
...based_prediction/src/map_based_prediction_node.cpp	0.00% <0.00%> (ø)
...elocity_planner/src/scene_module/run_out/scene.cpp	0.00% <0.00%> (ø)
...ocity_planner/src/scene_module/run_out/manager.cpp	0.00% <0.00%> (ø)
... and 57 more

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[kenji-miyake]

Clean code!