[Code health] include-what-you-use cleanup, part 3

[marcalff]

Fixes # (issue)

Changes

Please provide a brief description of the changes here.

For significant contributions please make sure you have completed the following items:

• CHANGELOG.md updated for non-trivial changes
• Unit tests have been added
• Changes in public API reviewed

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.60%. Comparing base (497eaf4) to head (216bf70).
Report is 109 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3004      +/-   ##
==========================================
+ Coverage   87.12%   87.60%   +0.49%     
==========================================
  Files         200      190      -10     
  Lines        6109     5870     -239     
==========================================
- Hits         5322     5142     -180     
+ Misses        787      728      -59     

Files	Coverage Δ
...ude/opentelemetry/common/key_value_iterable_view.h	94.45% <ø> (ø)
api/include/opentelemetry/context/context.h	100.00% <ø> (ø)
...pi/include/opentelemetry/context/runtime_context.h	97.50% <ø> (-0.09%)	⬇️
api/include/opentelemetry/trace/noop.h	93.34% <ø> (ø)
api/include/opentelemetry/trace/provider.h	100.00% <ø> (ø)
api/include/opentelemetry/trace/scope.h	100.00% <ø> (ø)
api/include/opentelemetry/trace/span_context.h	100.00% <ø> (ø)
api/include/opentelemetry/trace/trace_state.h	97.60% <ø> (ø)

... and 120 files with indirect coverage changes