[WIP] Add tracer scope configurator

[psx95]

Re #2641

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

[netlify]

✅ Deploy Preview for opentelemetry-cpp-api-docs canceled.

Name	Link
🔨 Latest commit	2c55339
🔍 Latest deploy log	https://app.netlify.com/sites/opentelemetry-cpp-api-docs/deploys/6738ebd51ef44f000879aebd

[codecov]

Codecov Report

Attention: Patch coverage is 86.04651% with 6 lines in your changes missing coverage. Please review.

Project coverage is 87.81%. Comparing base (a388e87) to head (2c55339).

Files with missing lines	Patch %	Lines
sdk/src/trace/tracer_provider_factory.cc	50.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3137      +/-   ##
==========================================
- Coverage   87.83%   87.81%   -0.02%     
==========================================
  Files         195      197       +2     
  Lines        6146     6176      +30     
==========================================
+ Hits         5398     5423      +25     
- Misses        748      753       +5     

Files with missing lines	Coverage Δ
...y/sdk/instrumentationscope/instrumentation_scope.h	100.00% <ø> (ø)
sdk/include/opentelemetry/sdk/trace/tracer.h	100.00% <ø> (ø)
...dk/include/opentelemetry/sdk/trace/tracer_config.h	100.00% <100.00%> (ø)
...k/include/opentelemetry/sdk/trace/tracer_context.h	100.00% <ø> (ø)
sdk/src/trace/tracer.cc	83.34% <100.00%> (+0.88%)	⬆️
sdk/src/trace/tracer_config.cc	100.00% <100.00%> (ø)
sdk/src/trace/tracer_context.cc	84.00% <100.00%> (+2.19%)	⬆️
sdk/src/trace/tracer_provider.cc	89.14% <100.00%> (ø)
sdk/src/trace/tracer_provider_factory.cc	46.16% <50.00%> (+1.33%)	⬆️