Safe handling of control plane promises & fix CI

[dagardner-nv]

Description

• Based on fixes from @mdemoret-nv : https://github.com/mdemoret-nv/MRC/tree/mdd_control-plane-promises & Improve service shutdown #381
• Adopts updated versions of boost, clang & IWYU
• Only run IWYU on files changed in PR
• Use clang for checks stage

fixes #379

Checklist

• I am familiar with the Contributing Guidelines.
• New or existing tests cover these changes.
• The documentation is up to date with these changes.

[codecov]

Codecov Report

Merging #389 (041db9a) into branch-23.11 (9b47924) will decrease coverage by 22.35%.
Report is 7 commits behind head on branch-23.11.
The diff coverage is 31.62%.

Additional details and impacted files

@@                Coverage Diff                @@
##           branch-23.11     #389       +/-   ##
=================================================
- Coverage         73.11%   50.77%   -22.35%     
=================================================
  Files               382      348       -34     
  Lines             13403    11171     -2232     
  Branches           1010      939       -71     
=================================================
- Hits               9800     5672     -4128     
- Misses             3603     5499     +1896     

Flag	Coverage Δ
cpp	42.57% <30.83%> (-26.48%)	⬇️
py	41.92% <31.07%> (-0.14%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
cpp/mrc/src/internal/control_plane/client.cpp	0.00% <0.00%> (-70.10%)	⬇️
cpp/mrc/src/internal/control_plane/client.hpp	0.00% <0.00%> (-68.97%)	⬇️
...mrc/src/internal/control_plane/client/instance.cpp	0.00% <ø> (-37.21%)	⬇️
...rnal/control_plane/client/subscription_service.cpp	0.00% <ø> (ø)
cpp/mrc/src/internal/control_plane/server.cpp	0.00% <0.00%> (-41.27%)	⬇️
cpp/mrc/src/internal/control_plane/server.hpp	0.00% <ø> (-100.00%)	⬇️
cpp/mrc/src/internal/data_plane/client.cpp	0.00% <0.00%> (-14.52%)	⬇️
...c/src/internal/data_plane/data_plane_resources.cpp	0.00% <ø> (-72.50%)	⬇️
cpp/mrc/src/internal/data_plane/server.cpp	0.00% <ø> (-55.66%)	⬇️
.../mrc/src/internal/executor/executor_definition.cpp	53.06% <ø> (-25.79%)	⬇️
... and 18 more

... and 144 files with indirect coverage changes

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