Add sampler supportability metrics & conversion to CSV

[hmstepanek]

Overview

Add sampler supportability metrics.
Remove conversion to Comma Separated Value now that pipeline supports lists.

[github-actions]

❌MegaLinter analysis: Error

Descriptor	Linter	Files	Fixed	Errors	Warnings	Elapsed time
✅ ACTION	actionlint	7		0	0	0.92s
✅ MARKDOWN	markdownlint	7	0	0	0	1.16s
❌ PYTHON	ruff	994	23	1	0	1.11s
✅ PYTHON	ruff-format	994	27	0	0	0.4s
✅ YAML	prettier	15	0	0	0	1.6s
✅ YAML	v8r	15		0	0	4.5s
✅ YAML	yamllint	15		0	0	0.7s

Detailed Issues

❌ PYTHON / ruff - 1 error

::error title=Ruff (RUF005),file=tests/hybridagent_fastapi/test_otel_application.py,line=61,col=24,endLine=61,endColumn=96::tests/hybridagent_fastapi/test_otel_application.py:61:24: RUF005 Consider iterable unpacking instead of concatenation

See detailed reports in MegaLinter artifacts

[codecov-commenter]

Codecov Report

❌ Patch coverage is 33.33333% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 80.14%. Comparing base (d71dad1) to head (f94001d).
⚠️ Report is 18 commits behind head on develop-hybrid-core-tracing.

Files with missing lines	Patch %	Lines
newrelic/core/application.py	33.33%	3 Missing and 3 partials ⚠️

Additional details and impacted files

@@                       Coverage Diff                       @@
##           develop-hybrid-core-tracing    #1618      +/-   ##
===============================================================
+ Coverage                        79.93%   80.14%   +0.21%     
===============================================================
  Files                              213      213              
  Lines                            25168    25213      +45     
  Branches                          4001     4017      +16     
===============================================================
+ Hits                             20117    20207      +90     
+ Misses                            3622     3579      -43     
+ Partials                          1429     1427       -2     

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